¿Cuál ha sido el impacto de las mascarillas en la prevención de la propagación del COVID-19?
(How much impact do masks have on preventing the spread of the covid-19?)
Primeras 5 respuestas:
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65.7% of the participants agreed with infection control recommendation 'wearing a mask' to prevent influenza transmission.
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How to prevent the spread of common cold and flu are well understood from plentiful resources.
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this impact naturally increases with mask effectiveness.
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More than 100 billion masks will be needed for 300 million Americans annually if one person uses one mask per day.
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The systemic wearing of face masks can effectively slow down spread of the COVID-19 pandemic.
65.7% of the participants agreed with infection control recommendation 'wearing a mask' to prevent influenza transmission.
... be useful. 7 In the study 8 of attitudes of influenza-vaccinated healthcare workers toward masks, 65.7% of the participants agreed with infection control recommendation "wearing a mask" to prevent influenza transmission. Due to the lack of research on face masks, further research should focus on assessing ...
Ref: COVID‐19: Face masks and human‐to‐human transmission [Influenza Other Respir Viruses, 2020-04-05]How to prevent the spread of common cold and flu are well understood from plentiful resources.
... particulate air (HEPA) mask for everyone-mask-wearing policy based on previous reports and one simple experiment. How to prevent the spread of common cold and flu are well understood from plentiful resources. 3 First, the respiratory viruses are transmitted more commonly via contact than droplet. Secondly, the ...
Ref: What Type of Face Mask Is Appropriate for Everyone-Mask-Wearing Policy amidst COVID-19 Pandemic? [J Korean Med Sci, 2020-05-12]this impact naturally increases with mask effectiveness.
... for this preprint this version posted April 7, 2020. . cases and deaths, and that this impact naturally increases with mask effectiveness. The benefits of mask deployment are apparent even with low effectiveness and limited resources. In ...
Ref: Face mask use in the general population and optimal resource allocation during the COVID-19 pandemic [medRxiv, 2020-04-07]More than 100 billion masks will be needed for 300 million Americans annually if one person uses one mask per day.
... patients and colleagues. Due to the current shortage of masks, it is prudent to conserve masks whenever possible. More than 100 billion masks will be needed for 300 million Americans annually if one person uses one mask per day. Currently this is far beyond the capacity of U.S. face mask manufacturing. ...
Ref: Proposed approach for reusing surgical masks in COVID-19 pandemic [J Am Acad Dermatol, 2020-04-26]The systemic wearing of face masks can effectively slow down spread of the COVID-19 pandemic.
... posted June 3, 2020. . fits to the early analysis in [13] and [14] . The systemic wearing of face masks can effectively slow down spread of the COVID-19 pandemic. By introducing the doubling time T d , with the assumed average infectious duration τ ...
Ref: How Efficient Can Non-Professional MasksSuppress COVID-19 Pandemic? [J Am Acad Dermatol, 2020-06-03]Our modified endoscopy mask provides an additional barrier against the transmission of airborne pathogens.
... an adjunct to personal protection equipment to reduce occupational transmission of COVID-19 while performing DFL. Our modified endoscopy mask provides an additional barrier against the transmission of airborne pathogens. The modified endoscopy face mask may also serve as a useful tool for otolaryngologists as ...
Ref: Application of a Modified Endoscopy Face Mask for Flexible Laryngoscopy During the COVID-19 Pandemic [Otolaryngol Head Neck Surg, 2020]Face mask use could result in a large reduction in risk of infection
... as distance was lengthened (change in relative risk [RR] 2·02 per m; pinteraction=0·041; moderate certainty). Face mask use could result in a large reduction in risk of infection (n=2647; aOR 0·15, 95% CI 0·07 to 0·34, RD -14·3%, -15·9 to -10·7; low certainty), ...
Ref: Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis [Lancet, 2020]several hospitals have supplemented pre-existing infection prevention measures with universal masking of all personnel in hospitals.
... concerns for presymptomatic transmission of COVID-19 and increasing burden of contact tracing and employee furloughs, several hospitals have supplemented pre-existing infection prevention measures with universal masking of all personnel in hospitals. Other hospitals are currently faced with the dilemma of whether or not to proceed with ...
Ref: Universal masking in hospitals in the COVID-19 era: Is it time to consider shielding? [Infect Control Hosp Epidemiol, 2020]The compliance of face mask usage by HKSAR general public was 96.6% (range: 95.7% to 97.2%).
... (2250.8), Germany (1241.5), France (1151.6), U.S. (1102.8), U.K. (831.5), Singapore (259.8), and South Korea (200.5). The compliance of face mask usage by HKSAR general public was 96.6% (range: 95.7% to 97.2%). We observed 11 COVID-19 clusters in recreational "mask-off" settings compared to only 3 in workplace ...
Ref: The role of community-wide wearing of face mask for control of coronavirus disease 2019 (COVID-19) epidemic due to SARS-CoV-2 [J. infect, 2020]Wearing a face mask is an effective, cheap and easy-to-implement measure.
... and observational studies that affirmed the benefits of wearing a face mask in the community. Wearing a face mask is an effective, cheap and easy-to-implement measure. It is more essential when social distancing is less feasible, such as on public transport, ...
Ref: Universal masking for COVID-19: evidence, ethics and recommendations [BMJ Glob Health, 2020-05-26]the limiting value takes longer to be achieved but with higher reduction in exposure.
... 5 ). In case of face masking for source control and prevention of further spread, the limiting value takes longer to be achieved but with higher reduction in exposure. We further observe a reduced number of cumulative deaths (42.28%) in the case of more ...
Ref: Estimating the Effect and Cost-Effectiveness of Facemasks in Reducing the Spread of the Severe Acute Respiratory Syndrome-Coronavirus 2 (SARS-CoV-2) in Uganda [BMJ Glob Health, 2020-06-12]However, with the increasing demand for protection, face masks are becoming limited in stock,
... of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which has caused the 2019 pandemic. However, with the increasing demand for protection, face masks are becoming limited in stock, and the concerned individuals and healthcare workers from many countries are now facing the issue ...
Ref: Fast and easy disinfection of coronavirus-contaminated face masks using ozone gas produced by a dielectric barrier discharge plasma generator [BMJ Glob Health, 2020-05-01]Google searches for 'face mask' reached an all-time high since February 2020.
... Google searches for "face mask" reached an all-time high since February 2020. Another keyword "wash hands", which is more important and relevant to COVID-19 spread, also increased but not in the magnitude of increase of the search for "face mask". ...
Ref: Google searches for the keywords of “wash hands” predict the speed of national spread of COVID-19 outbreak among 21 countries [Brain Behav Immun, 2020-04-10]it may be effective at helping prevent transmission of respiratory viruses and bacteria3 .
... are a type of personal protective equipment used to prevent the spread of respiratory infections， it may be effective at helping prevent transmission of respiratory viruses and bacteria3 . Here, we share a case of face masks are be used to prevent the transmission ...
Ref: COVID‐19: Face masks and human‐to‐human transmission [Influenza Other Respir Viruses, 2020-04-05]Masking at only a 50% adoption rate (orange) is not sufficient to prevent continued spread and eventually results in 240,000 deaths.
... in 60,000 deaths, compared to maintaining a strict lockdown (blue) which results in 180,000 deaths. Masking at only a 50% adoption rate (orange) is not sufficient to prevent continued spread and eventually results in 240,000 deaths. Replacing the strict lockdown with social distancing on May 31 without masking results in unchecked ...
Ref: Universal Masking is Urgent in the COVID-19 Pandemic: SEIR and Agent Based Models, Empirical Validation, Policy Recommendations [Influenza Other Respir Viruses, 2020-04-22]The number of gates to the hospital was reduced from 5 to 2 during the day and to 1 at night.
... points, checking the body temperatures of visitors using a thermal camera, and ensuring that all visitors and employees adhere to hand hygiene protocols and wear face masks, regardless of symptoms. The number of gates to the hospital was reduced from 5 to 2 during the day and to 1 at night. ...
Ref: Wearing face masks regardless of symptoms is crucial for preventing the spread of COVID-19 in hospitals [Infection control and hospital epidemiology, 2020-05-06]Surgical mask partition for challenged index or naïve hamsters significantly reduced transmission to 25% (6/24, P=0.018).
... nucleocapsid antigen expression. RESULTS Non-contact transmission was found in 66.7% (10/15) of exposed naïve hamsters. Surgical mask partition for challenged index or naïve hamsters significantly reduced transmission to 25% (6/24, P=0.018). Surgical mask partition for challenged index hamsters significantly reduced transmission to only 16.7% (2/12, P=0.019) ...
Ref: Surgical mask partition reduces the risk of non-contact transmission in a golden Syrian hamster model for Coronavirus Disease 2019 (COVID-19). [Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2020-05-30]Each staff member would count the number of persons not wearing a mask among the first 50 persons encountered in the street during their morning commute.
... Department of Microbiology, Queen Mary Hospital for three consecutive days from 6 April to 8 April 2020 (day 98 to day 100). Each staff member would count the number of persons not wearing a mask among the first 50 persons encountered in the street during their morning commute. The residential district of the staff was recorded. ...
Ref: The role of community-wide wearing of face mask for control of coronavirus disease 2019 (COVID-19) epidemic due to SARS-CoV-2 [J Infect, 2020-04-23]The daily confirmed cases were significantly reduced after three weeks, with daily around 100 or fewer new cases ( Figure 1A ).
... when they were outdoors or had public activities, as recommended by the South Korea Government. The daily confirmed cases were significantly reduced after three weeks, with daily around 100 or fewer new cases ( Figure 1A ). By contrast, after the surge of COVID-19 in Italy at the beginning of March, 2020 ...
Ref: Possibly critical role of wearing masks in general population in controlling COVID‐19 [J Med Virol, 2020-04-15]Face masks were 79% effective and disinfection was 77% effective in preventing transmission,
... ► The overall secondary attack rate in households was 23.0%. Face masks were 79% effective and disinfection was 77% effective in preventing transmission, while close frequent contact in the household increased the risk of transmission 18 times, and diarrhoea in the index patient ...
Ref: Reduction of secondary transmission of SARS-CoV-2 in households by face mask use, disinfection and social distancing: a cohort study in Beijing, China [BMJ Glob Health, 2020-05-28]The Covid-19 pandemic causes imminent shortages of face masks in hospitals globally.
... The Covid-19 pandemic causes imminent shortages of face masks in hospitals globally. In preparation for that scarcity we performed a study to investigate the possibility of reprocessing disposable FFP2 face masks in order to verify their re-usability with a method that could ...
Ref: Sterilization of disposable face masks by means of standardized dry and steam sterilization processes; an alternative in the fight against mask shortages due to COVID-19 [J Hosp Infect, 2020-04-08]Prevention with rational use of personal protective equipment (PPE) and execution of social distancing measures are imperative to control this pandemic at a community level.
... To the Editor: COVID-19 is triggered by novel coronavirus (SARS-CoV 2) whose infection was reported in China with unexplained cases of pneumonia. This virus transmits through respiratory droplets and fomites. Prevention with rational use of personal protective equipment (PPE) and execution of social distancing measures are imperative to control this pandemic at a community level. ...
Ref: Use of Face Masks in COVID-19 [Indian J Pediatr, 2020-05-12]Wearing medical masks or N95 masks (namely N95 respirators) can slow the virus spread and reduce the infection risk.
... The COVID-19 pandemic caused by the novel coronavirus SARS-CoV-2 has claimed many lives worldwide. Wearing medical masks or N95 masks (namely N95 respirators) can slow the virus spread and reduce the infection risk. Reuse of these masks can minimize waste, protect the environment, and help to solve the current ...
Ref: Decontamination of face masks with steam for mask reuse in fighting the pandemic COVID-19: experimental supports [J. med. virol, 2020]A total of 2,315 replies were received, of which 2,307 were included in the final analysis.
... related to the use of face masks by the general public during the COVID-19 pandemic. A total of 2,315 replies were received, of which 2,307 were included in the final analysis. Of the respondents, 1,393 (60.4%) reported using face masks during the previous week, and, of ...
Ref: Face Mask-induced Itch: A Self-questionnaire Study of 2,315 Responders During the COVID-19 Pandemic [Acta Derm Venereol, 2020]They simultaneously state that community use of masks has no benefit.
... by suspected or infected cases of COVID-19 (i.e. source control) to prevent spread of infections. They simultaneously state that community use of masks has no benefit. Yet there are more randomised controlled clinical https://doi.org/10.1016/j.ijnurstu.2020.103567 0020-7489/© 2020 Elsevier Ltd. All rights reserved. ...
Ref: Policies on the use of respiratory protection for hospital health workers to protect from coronavirus disease (COVID-19) [International Journal of Nursing Studies, 2020-05-31]A previous study reported that surgical masks and N95 masks were equally effective in preventing the dissemination of influenza virus (4) ,
... with coronavirus disease 2019 (COVID-19) prevent contamination of the environment is uncertain (2, 3) . A previous study reported that surgical masks and N95 masks were equally effective in preventing the dissemination of influenza virus (4) , so surgical masks might help prevent transmission of severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2). However, ...
Ref: Effectiveness of Surgical and Cotton Masks in Blocking SARS–CoV-2: A Controlled Comparison in 4 Patients [Ann Intern Med, 2020-04-06]The current COVID-19 pandemic has led to a dramatic shortage of masks and other personal protective equipment (PPE) in hospitals around the globe.
... The current COVID-19 pandemic has led to a dramatic shortage of masks and other personal protective equipment (PPE) in hospitals around the globe. One component of PPE that is in particular demand are disposable N95 face masks. To alleviate this, many methods of N95 mask sterilization have been studied and proposed with the ...
Ref: Disposable N95 Masks Pass Qualitative Fit-Test But Have Decreased Filtration Efficiency after Cobalt-60 Gamma Irradiation [Ann Intern Med, 2020-03-30]So far, China has reported 80,695 confirmed cases and 3,097 deaths,
... provinces and aboard 5, 6 . As of 20 th March 2020, 180 countries worldwide have reported cases of COVID-19. So far, China has reported 80,695 confirmed cases and 3,097 deaths, accounting for about one-third of all cases and deaths worldwide. ...
Ref: What is required to prevent a second major outbreak of the novel coronavirus SARS-CoV-2 upon lifting the metropolitan-wide quarantine of Wuhan city, China [Ann Intern Med, 2020-03-30]Use of masks by healthcare workers (HCWs) and non-healthcare workers (Non-HCWs) can reduce the risk of respiratory virus infection
... criteria. Meta-analyses suggest that mask use provided a significant protective effect (ORâ¯=â¯0.35 and 95% CIâ¯=â¯0.24-0.51). Use of masks by healthcare workers (HCWs) and non-healthcare workers (Non-HCWs) can reduce the risk of respiratory virus infection by 80% (ORâ¯=â¯0.20, 95% CIâ¯=â¯0.11-0.37) and 47% (ORâ¯=â¯0.53, 95% CIâ¯=â¯0.36-0.79). The protective effect of wearing ...
Ref: Efficacy of face mask in preventing respiratory virus transmission: A systematic review and meta-analysis [Travel Med Infect Dis, 2020]the Taiwanese government produced a stockpile of 44 million surgical and 1.93 million N95 masks
... has recorded just 395 cases of COVID-19. In response to the emerging threat of COVID-19, the Taiwanese government produced a stockpile of 44 million surgical and 1.93 million N95 masks before the first case was reported (Fig. 1A) . 3 Subsequently, the government implemented bans ...
Ref: Maintaining mask stockpiles in the COVID-19 pandemic: Taiwan as a learning model [Infection control and hospital epidemiology, 2020-05-11]The resulting high economic and environmental costs are further damaging societies worldwide.
... current surgical masks cannot self-sterilize in order to reuse or be recycled for other applications. The resulting high economic and environmental costs are further damaging societies worldwide. Herein, we reported a unique method for functionalizing commercially available surgical masks with outstanding self-cleaning ...
Ref: Reusable and Recyclable Graphene Masks with Outstanding Superhydrophobic and Photothermal Performances [ACS Nano, 2020]The paired t-tests were used for within-group comparisons in a bedroom and in a car.
... (NC0.02-1), temperature and relatively humidity, and cough/sneeze counts per hour were conducted for each volunteer. The paired t-tests were used for within-group comparisons in a bedroom and in a car. The results showed that there was no significant difference in NC0.02-1 or cough/sneeze counts between ...
Ref: Medical mask versus cotton mask for preventing respiratory droplet transmission in micro environments [Sci Total Environ, 2020]Wearing masks/respirators and practicing self-isolation at home have been recommended as guidelines for the public.
... 1,041,126 people in a very short time, with 55,132 deaths as of April 3, 2020. Wearing masks/respirators and practicing self-isolation at home have been recommended as guidelines for the public. However, the problem is the number of cases among medical personnel. Interestingly, a higher risk ...
Ref: Role of Mask/Respirator Protection Against SARS-CoV-2 [Anesth Analg, 2020-04-20]This small innovation will greatly help in the war against COVID-19 pandemic.
It will also improve the crisis of demand-supply gap and aid in preventing droplet infection. This small innovation will greatly help in the war against COVID-19 pandemic.
Ref: Fast and economic cardboard cutout use to increase compliance of face mask wear during COVID-19 pandemic() [J Clin Orthop Trauma, 2020-05-13]The mask' has evolved with time and yet there is a need to further improve the design for safety, tolerability and comfort.
... breaking the transmission chain of Covid-19, like hand washing, personal hygiene and social distancing. " The mask" has evolved with time and yet there is a need to further improve the design for safety, tolerability and comfort. In this review we present the journey of face mask, originating from the first masks ...
Ref: The Face Mask How a Real Protection becomes a Psychological Symbol during Covid-19? [Brain, behavior, and immunity, 2020-06-08]The coronavirus disease 2019 outbreak is a public health emergency of international concern (WHO, 2019).
... The coronavirus disease 2019 outbreak is a public health emergency of international concern (WHO, 2019). The Centers for Disease Control and Prevention (CDC) recommends that healthcare providers and those who might be infected wear masks but does not recommend the routine use of respirators in ...
Ref: cord_uid 1w0dd54t Medical mask versus cotton mask for preventing... 1w0dd54t Medical mask versus cotton mask for preventing... Name: title, dtype: object [Brain, behavior, and immunity, cord_uid 1w0dd54t 2020-05-18 1w0dd54t 2020-05-18 Name: publish_time, dtype: object]Therefore, wearing a mask could create an un-internalized cost if masks do not prevent asymptomatic individuals from spreading the pathogen.
... or staying home is preventing the spread of COVID-19 by infectious and potentially asymptomatic individuals. Therefore, wearing a mask could create an un-internalized cost if masks do not prevent asymptomatic individuals from spreading the pathogen. Just as wearing a seat belt can encourage less safe driving while conferring no protection ...
Ref: Do Face Masks Create a False Sense of Security? A COVID-19 Dilemma [Brain, behavior, and immunity, 2020-05-26]If epidemic control is poor, until an effective vaccine is available, UFMU may contribute to reducing transmission, preventing deaths and flattening the curve.
... is a high incidence of COVID-19,(4) both inside households and closed venues, in crowded public spaces and public transport, and for travelers passing through airports and spending time on airplanes. If epidemic control is poor, until an effective vaccine is available, UFMU may contribute to reducing transmission, preventing deaths and flattening the curve. ...
Ref: Community Universal Face Mask Use during the COVID 19 pandemic—from households to travelers and public spaces [J Travel Med, 2020-04-18]This evolution of the doctrine of use of masks and their stocking strategy has resulted in a strong decrease in stocks since 2010 [7] .
... health establishments and managers of establishments in the medico-social sector that it was their responsibility to have stocks of FFP2 masks for the protection of professionals likely to be exposed. This evolution of the doctrine of use of masks and their stocking strategy has resulted in a strong decrease in stocks since 2010 [7] . ...
Ref: Masks and COVID-19 [Bull Acad Natl Med, 2020-05-12]Medical masks are used widely in community settings amid reported scarcity within healthcare facilities.
... of misuse and abuse of face masks by the public, government officials, and healthcare workers. Medical masks are used widely in community settings amid reported scarcity within healthcare facilities. It is observed that some people wear face masks on their chin and neck, and ...
Ref: COVID-19: The Need for Rational Use of Face Masks in Nigeria [Am. j. trop. med. hyg, 2020]With the rapid spread of COVID-19 worldwide, the demand for appropriate face masks in the market has also skyrocketed.
... With the rapid spread of COVID-19 worldwide, the demand for appropriate face masks in the market has also skyrocketed. To ease strain on the supply of masks to the essential healthcare sector, it has become imperative that ordinary people rely more on home-made masks that can be easily put ...
Ref: Leveraging Wettability Engineering to Develop Three-Layer DIY Face Masks From Low-Cost Materials [Trans Indian Natl, 2020-06-04]A total of 19 randomised controlled trials were included in this study - 8 in community settings, 6 in healthcare settings and 5 as source control.
... members was conducted. Articles were searched on Medline and Embase using key search terms. RESULTS: A total of 19 randomised controlled trials were included in this study - 8 in community settings, 6 in healthcare settings and 5 as source control. Most of these randomised controlled trials used different interventions and outcome measures. In the community, ...
Ref: A rapid systematic review of the efficacy of face masks and respirators against coronaviruses and other respiratory transmissible viruses for the community, healthcare workers and sick patients [Int J Nurs Stud, 2020]The COVID-19 pandemic caused by the novel coronavirus SARS-CoV-2 has claimed many lives worldwide.
... The COVID-19 pandemic caused by the novel coronavirus SARS-CoV-2 has claimed many lives worldwide. Wearing medical masks or N95 masks (namely N95 respirators) can slow the virus spread and reduce the infection risk. Reuse of these masks can minimize waste, protect the environment, and ...
Ref: Decontamination of face masks with steam for mask reuse in fighting the pandemic COVID-19: experimental supports [J. med. virol, 2020]We find that the critical mask adherence is 5 per 100 when 80% wear face masks.
... facemasks has a relatively large impact on the size of the coronavirus epidemic in Uganda. We find that the critical mask adherence is 5 per 100 when 80% wear face masks. A cost-effective analysis shows that utilizing funds to provide 1 public mask to the population ...
Ref: Estimating the Effect and Cost-Effectiveness of Facemasks in Reducing the Spread of the Severe Acute Respiratory Syndrome-Coronavirus 2 (SARS-CoV-2) in Uganda [J. med. virol, 2020-06-12]This has been cited 15 as an important factor in controlling the transmission of Covid-19 infections.
... the practice of using face masks for combating pollution or for personal hygiene is widespread. This has been cited 15 as an important factor in controlling the transmission of Covid-19 infections. However, there are concerns that the use of facemasks may decrease the rigour in following ...
Ref: On the utility of cloth facemasks for controlling ejecta during respiratory events [J. med. virol, 2020-05-05]the Taiwanese government produced a stockpile of 44 million surgical and 1.93 million N95 masks before the first case was reported
... has recorded just 395 cases of COVID-19. In response to the emerging threat of COVID-19, the Taiwanese government produced a stockpile of 44 million surgical and 1.93 million N95 masks before the first case was reported (Fig. 1A) . 3 Subsequently, the government implemented bans on exportation and requisition of mask-manufacturing ...
Ref: Maintaining mask stockpiles in the COVID-19 pandemic: Taiwan as a learning model [Infection control and hospital epidemiology, 2020-05-11]The fit factor for homemade masks averaged 2 in Davies et al. (2013) , while the fit factor averaged 5 for surgical masks.
... i ) or outward efficiency (ε o ), based on Brienen et al. (2010) . The fit factor for homemade masks averaged 2 in Davies et al. (2013) , while the fit factor averaged 5 for surgical masks. When volunteers coughed into a mask, depending upon sampling method, the number of colony-forming units ...
Ref: To mask or not to mask: Modeling the potential for face mask use by the general public to curtail the COVID-19 pandemic [Infect Dis Model, 2020-04-21]After wearing a mask, the risk of contracting RVIs was significantly reduced,
... 8,686 participants, showed that masks were generally effective in preventing the spread of respiratory viruses. After wearing a mask, the risk of contracting RVIs was significantly reduced, with the pooled OR was 0.35 and 95% CI=0.24-0.51 (I 2 =60%, M-H Random-effect model) ...
Ref: Efficacy of face mask in preventing respiratory virus transmission: A systematic review and meta-analysis [Travel Med Infect Dis, 2020-05-28]Increases in the adherence level of social-distancing protocols result in dramatic reduction of the burden of the pandemic,
... pandemic. This study emphasizes the important role social-distancing plays in curtailing the burden of COVID-19. Increases in the adherence level of social-distancing protocols result in dramatic reduction of the burden of the pandemic, and the timely implementation of social-distancing measures in numerous states of the US may have ...
Ref: Mathematical assessment of the impact of non-pharmaceutical interventions on curtailing the 2019 novel Coronavirus [Math Biosci, 2020]The issue of COVID-19 is having a huge impact of in different sectors ranging from health system to agriculture.
... The issue of COVID-19 is having a huge impact of in different sectors ranging from health system to agriculture. In Italy, the deficiency of the medical face masks for the people involved in health system as well as of the non-medical face mask for the civilians has boosted several ...
Ref: A rapid screening method for testing the efficiency of masks in breaking down aerosols [Microchem J, 2020-05-03]Those recommendations include: (1)Standard prevention and protection, and patient isolation; (2)Patient wearing mask during HFNC treatment;
... aim to reduce the nosocomial transmission and optimize the treatment for the COVID-19 pneumonia patients. Those recommendations include: (1)Standard prevention and protection, and patient isolation; (2)Patient wearing mask during HFNC treatment; (3)Using dual limb ventilator with filters placed at the ventilator outlets, or using heat-moisture exchanger ...
Ref: [Expert consensus on preventing nosocomial transmission during respiratory care for critically ill patients infected by 2019 novel coronavirus pneumonia]. [Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases, 2020-04-12]Surgical masks are not effective in preventing the influenza and SARS, so they are unlikely to be able to resist contaminated aerosols from entering the respiratory system.
... healthcare workers to have the correct personal protective equipment (PPE) including gowns, masks and goggles. Surgical masks are not effective in preventing the influenza and SARS, so they are unlikely to be able to resist contaminated aerosols from entering the respiratory system. Therefore, it is vital to use respirators which have been proven to offer better protection ...
Ref: Role of respirators in controlling the spread of novel coronavirus (COVID‐19) amongst dental healthcare providers: a review [Int Endod J, 2020-05-29]These masks will be beneficial not just to healthcare workers but common citizens as well.
... develop fibrous filtration with three-layered masks using the compounds from medicinal plants for viral deactivation. These masks will be beneficial not just to healthcare workers but common citizens as well. In the absence of vaccination, productive masks can be worn to prevent transmission of airborne ...
Ref: COVID-19: emerging protective measures [Eur Rev Med Pharmacol Sci, 2020]the daily demand for masks will reach 900 million.
... billion. Assuming that two-thirds of the people in China must wear a mask every day, the daily demand for masks will reach 900 million. The Chinese government has taken many measures to solve these problems. Additionally, more measures should ...
Ref: Mask crisis during the COVID-19 outbreak. [European review for medical and pharmacological sciences, 2020-03-01]we again set σ = 1/5.2 and γ = 1/12.39.
... To best fit the same empirical characteristics of COVID-19 spread as our SEIR models, we again set σ = 1/5.2 and γ = 1/12.39. Note that β is inapplicable in the ABM since infection transmission between individuals arises from physical ...
Ref: Universal Masking is Urgent in the COVID-19 Pandemic: SEIR and Agent Based Models, Empirical Validation, Policy Recommendations [European review for medical and pharmacological sciences, 2020-04-22]The COVID-19 pandemic has resulted in widespread shortages in personal protective equipment (PPE),
... The COVID-19 pandemic has resulted in widespread shortages in personal protective equipment (PPE), including N95 respirators used by frontline healthcare workers. 1-3 While basic surgical facemasks are more commonly available, their efficacy is limited due primarily to their poor seal, increasing exposure to ...
Ref: The "Double Eights Mask Brace" Improves the Fit and Protection and Protection of a Basic Surgical Mask Amidst Covid-19 Pandemic [European review for medical and pharmacological sciences, 2020-05-22]This set-up was challenged using face masks produced by reconverted industries and the data were compared with ones obtained using medical face mask.
... particles that pass through the face masks using optical particle counter (based on the EN 16890: 2017 that uses the same light scattering principle to evaluate the filter filtration efficiency). This set-up was challenged using face masks produced by reconverted industries and the data were compared with ones obtained using medical face mask. ...
Ref: A rapid screening method for testing the efficiency of masks in breaking down aerosols [Microchem J, 2020]This measure could contribute greatly to controlling the COVID-19 pandemic,
... and implemented without delay, even if most mask are homemade and of relatively low quality. This measure could contribute greatly to controlling the COVID-19 pandemic, with the benefit greatest in conjunction with other non-pharmaceutical interventions that reduce community transmission. Despite ...
Ref: To mask or not to mask: Modeling the potential for face mask use by the general public to curtail the COVID-19 pandemic [Microchem J, 2020-04-11]The key argument for 119 universal use is thus preventing transmission and a secondary argument is 120 preventing acquisition [7, 9] .
... in Wuhan, China [18] . In this setting limiting masks to confirmed infections is far less 118 likely to have an impact on transmission than universal use. The key argument for 119 universal use is thus preventing transmission and a secondary argument is 120 preventing acquisition [7, 9] . ...
Ref: Widespread use of face masks in public may slow the spread of SARS CoV-2: an ecological study [Microchem J, 2020-04-06]First, 50 individuals using PPE acquired outside of the hospital may inadvertently be using PPE without 51 droplet protection resulting in inadequate protection.
... healthcare 49 workers who evaluate individuals with suspected and confirmed COVID-19 disease (1) (2) . First, 50 individuals using PPE acquired outside of the hospital may inadvertently be using PPE without 51 droplet protection resulting in inadequate protection. Second, workers without PPE will acquire 52 infections, including COVID-19, at greater rates than those ...
Ref: Injection Molded Autoclavable, Scalable, Conformable (iMASC) system for aerosol-based protection [Microchem J, 2020-04-07]However, there is limited knowledge available on the performance of various commonly available fabrics used in cloth masks.
... sections of the public, as can be seen during the current global spread of COVID-19. However, there is limited knowledge available on the performance of various commonly available fabrics used in cloth masks. Importantly, there is a need to evaluate filtration efficiencies as a function of aerosol particulate ...
Ref: Aerosol Filtration Efficiency of Common Fabrics Used in Respiratory Cloth Masks [ACS Nano, 2020]The risk of influenza, SARS, and COVID-19 infection were reduced by 45%, 74%, and 96% by wearing masks,
... The risk of influenza, SARS, and COVID-19 infection were reduced by 45%, 74%, and 96% by wearing masks, respectively, which were consistent with previous meta-analyses during the SARS outbreaks [9, 53] . The previous systematic review from Xiao et al., though reporting non-significant protection of masks against the ...
Ref: Efficacy of face mask in preventing respiratory virus transmission: A systematic review and meta-analysis [Travel Med Infect Dis, 2020-05-28]by 19% among household contacts if both the infected and healthy individuals wore masks.
... reduced the odds of contracting acute respiratory infections by 6% among casual community contacts and by 19% among household contacts if both the infected and healthy individuals wore masks. 13 Masks have been shown to be effective in reducing respiratory virus shedding from droplets ...
Ref: Public Masking: An Urgent Need to Revise Global Policies to Protect against COVID-19 [Am J Trop Med Hyg, 2020-04-22]Of six systematic reviews, four found no reduction in the probability of transmission.
... a narrative way. RESULTS: 713 manuscripts were identified, of which 21 met the inclusion criteria. Of six systematic reviews, four found no reduction in the probability of transmission. Experimental home studies found no differences in the probability of contagion associated with the use ...
Ref: Revisión rápida del uso de cubrebocas quirúrgicos en ámbito comunitario e infecciones respiratorias agudas./ [Rapid review of the use of community-wide surgical masks and acute respiratory infections] [Salud Publica Mex, 2020]This MIH approach has been supported by the experiences of seven countries in fighting against COVID-19.
... of mask-wearing plus instant hand hygiene (MIH) to slow the exponential spread of the virus. This MIH approach has been supported by the experiences of seven countries in fighting against COVID-19. Collectively, a simple approach to slow the exponential spread of SARS-CoV-2 was proposed with the ...
Ref: Potential utilities of mask-wearing and instant hand hygiene for fighting SARS-CoV-2 [J. med. virol, 2020]The findings suggest that requiring face mask use in public might help in mitigating COVID-19 spread.
... as many as 230,000-450,000 COVID-19 cases possibly averted By May 22, 2020 by these mandates. The findings suggest that requiring face mask use in public might help in mitigating COVID-19 spread. [Editor"s Note: This Fast Track Ahead Of Print article is the accepted version of the ...
Ref: Community Use Of Face Masks And COVID-19: Evidence From A Natural Experiment Of State Mandates In The US. [Health affairs, 2020-06-16]Significant amounts of aerosolized particles escaped during the trials with no mask, a standard surgical mask, and the NAPR without suction.
... standard surgical mask, a modified Ambu mask, and our negative airway pressure respirator (NAPR). RESULTS: Significant amounts of aerosolized particles escaped during the trials with no mask, a standard surgical mask, and the NAPR without suction. When suction was applied to the NAPR, creating a negative-pressure system, no particle escape was ...
Ref: Aerosolized Particle Reduction: A Novel Cadaveric Model and a Negative Airway Pressure Respirator (NAPR) System to Protect Health Care Workers From COVID-19 [Otolaryngol Head Neck Surg, 2020]However, the virus has spread quite quickly, causing severe mask shortage.
... is the main route of transmission, wearing a mask serves as a crucial preventive measure. However, the virus has spread quite quickly, causing severe mask shortage. Finding alternative materials for homemade masks while ensuring the significant performance indicators will help alleviate ...
Ref: Selection of homemade mask materials for preventing transmission of COVID-19: a laboratory study [Otolaryngol Head Neck Surg, 2020-05-11]the sales of masks increased by 373 times compared to the same time last year.
... public were more alert to the COVID-19 epidemic due to the situation faced in China, the sales of masks increased by 373 times compared to the same time last year. The simulated daily infected cases increased exponentially from the 6th to 18th of February, which ...
Ref: Epidemiology reveals mask wearing by the public is crucial for COVID-19 control [Medicine in Microecology, 2020-05-13]Handwashing with an efficacy of 30% reduces the respective probability by 14% for unaware 208 individuals and by 29% for aware individuals.
... and no measures, the probability of infection is reduced by 207 4% for all individuals. Handwashing with an efficacy of 30% reduces the respective probability by 14% for unaware 208 individuals and by 29% for aware individuals. Note that the probability of infection is highly dependent on the 209 type of prevention ...
Ref: Impact of self-imposed prevention measures and short-term government intervention on mitigating and delaying a COVID-19 epidemic [Medicine in Microecology, 2020-03-16]8 or 16% mask efficacy (Supplementary information for relevant parameters and references).
... derived a simplified SIR model to investigate the effects of near-universal mask-use on COVID-19 assuming 8 or 16% mask efficacy (Supplementary information for relevant parameters and references). We decided to model, in particular, the impact of masks on numbers of critically-ill patients ...
Ref: Impact of population mask wearing on Covid-19 post lockdown [Medicine in Microecology, 2020-04-16]These masks reduce aerosol transmission by 40% and offer 50-70% protection from getting the disease.
... It is a cheap, washable, and an easily available alternative of surgical mask for general population especially in developing countries. These masks reduce aerosol transmission by 40% and offer 50-70% protection from getting the disease. ...
Ref: What All We Should Know About Masks in COVID-19 Pandemic [Indian J Surg, 2020-06-09]The fast spread of the COVID-19 outbreak led multiple governments to establish a lockdown.
The fast spread of the COVID-19 outbreak led multiple governments to establish a lockdown.
Ref: Nuclear cardiology in the COVID-19 pandemic era [Indian J Surg, 2020-06-18]Online guidelines for face mask use to prevent COVID-19 in the general public are currently inconsistent across nations and regions, and have been changing often.
... addition, 12 failed to outline the minimum basic World Health Organization guidance for masks. CONCLUSIONS: Online guidelines for face mask use to prevent COVID-19 in the general public are currently inconsistent across nations and regions, and have been changing often. Efforts to create greater standardization and clarity should be explored in light of the status ...
Ref: Online National Health Agency Mask Guidance for the Public in Light of COVID-19: Content Analysis [JMIR Public Health Surveill, 2020-05-26]In April 2020, the Taiwan Government donated approximately 10 million face masks to countries hit hardest by SARS-COV-2,
... and social distancing appear to have prevented both severe complicated influenza and COVID-19 in Taiwan. In April 2020, the Taiwan Government donated approximately 10 million face masks to countries hit hardest by SARS-COV-2, including the United States and the European Union. We hope that our experience can help ...
Ref: Severe complicated influenza declined during the prevention of COVID-19 in Taiwan [Infection control and hospital epidemiology, 2020-06-03]The sudden increase demand on face mask has caused manufacturers the inability to not provide enough products in a short time
... protect themselves as well as the others is to wear a mask in crowded places. The sudden increase demand on face mask has caused manufacturers the inability to not provide enough products in a short time and the situation properly will stay the same for a period of time. In this ...
Ref: A Reusable Mask for Coronavirus Disease 2019 (COVID-19) [Arch. med. res, 2020]frequent masks use (mainly surgical) in public places can be protective by 64%.
... result from a casecontrol study during the SARS-CoV-1 outbreak in Hong Kong is any indication, frequent masks use (mainly surgical) in public places can be protective by 64%. 7 Two pragmatic arguments have been put forward to support the reluctance of public authorities ...
Ref: Rationale for universal face masks in public against COVID‐19 [Respirology, 2020-04-30]Mandating face mask use in public is associated with a decline in the daily COVID-19 growth rate
... in the daily county-level COVID-19 growth rates between March 31, 2020 and May 22, 2020. Mandating face mask use in public is associated with a decline in the daily COVID-19 growth rate by 0.9, 1.1, 1.4, 1.7, and 2.0 percentage-points in 1-5, 6-10, 11-15, 16-20, and 21+ ...
Ref: Community Use Of Face Masks And COVID-19: Evidence From A Natural Experiment Of State Mandates In The US. [Health affairs, 2020-06-16]We estimated the impact of cloth mask adoption on reproduction number to be approximately 8.6%,
... of cases that are detected, which may be modest if the detection rate is low. We estimated the impact of cloth mask adoption on reproduction number to be approximately 8.6%, and note that the benefit of mask adoption may be substantially greater for essential workers ...
Ref: Estimation of effects of contact tracing and mask adoption on COVID-19 transmission in San Francisco: a modeling study [Health affairs, 2020-06-11]Personal protective equipments and especially masks were among the hottest topics during this pandemic.
... Wuhan, many topics were discussed intensively about COVID-19, both in the public and scientific community. Personal protective equipments and especially masks were among the hottest topics during this pandemic. Regardless of which mask is used, performing hand hygiene frequently with an alcohol-based hand rub ...
Ref: Medical mask or N95 respirator: When and how to use? [Turkish journal of medical sciences, 2020-04-27]This MIH approach has been supported by the experiences of seven countries in fighting against COVID‐19.
... of mask‐wearing plus instant hand hygiene (MIH) to slow the exponential spread of the virus. This MIH approach has been supported by the experiences of seven countries in fighting against COVID‐19. Collectively, a simple approach to slow the exponential spread of SARS‐CoV‐2 was proposed with the ...
Ref: Potential utilities of mask‐wearing and instant hand hygiene for fighting SARS‐CoV‐2 [J Med Virol, 2020-04-08]Assuming that two-thirds of the people in China must wear a mask every day, the daily demand for masks will reach 900 million.
... a mask when respiratory infectious diseases are prevalent. China has a population of 1.4 billion. Assuming that two-thirds of the people in China must wear a mask every day, the daily demand for masks will reach 900 million. The Chinese government has taken many measures to solve these problems. Additionally, more measures should ...
Ref: Mask crisis during the COVID-19 outbreak. [European review for medical and pharmacological sciences, 2020-03-01]With SARS, community wearing of masks when going out was associated with a 70% reduction in risk compared with never wearing a mask [12] .
... choir practice became infected with COVID-19, despite distancing and without coughing or sneezing [10] . With SARS, community wearing of masks when going out was associated with a 70% reduction in risk compared with never wearing a mask [12] . Mask wearing can reduce exposure especially in situations where physical distancing is difficult. Taiwan, with ...
Ref: Critical levels of mask efficiency and of mask adoption that theoretically extinguish respiratory virus epidemics [European review for medical and pharmacological sciences, 2020-05-15]Most guidelines recommend surgical masks for healthcare providers during routine care and N95 respirators for aerosol-generating procedures.
... guidelines fail to cover all transmission modes, and the recommendations also conflict with each other. Most guidelines recommend surgical masks for healthcare providers during routine care and N95 respirators for aerosol-generating procedures. However, recommendations regarding the type of face mask varied, and the CDC recommends cloth masks ...
Ref: Current knowledge of COVID-19 and infection prevention and control strategies in healthcare settings: A global analysis [Infect Control Hosp Epidemiol, 2020]The HCWs were subsequently tested negative for COVID-19.
... 41 health care workers (HCWs) who came in contact with COVID-19 patients during aerosolizing procedures. The HCWs were subsequently tested negative for COVID-19. Eighty-five percent of the HCWs wore surgical masks and 15% wore N95s, showing that surgical ...
Ref: An Interim Solution to the Decreased Availability of Respirators Against COVID-19 [Anesth Analg, 2020-04-22]Combining low efficacy masks with improved levels of the other anti-COVID-19 intervention strategies can lead to the elimination of the pandemic.
... to significant reduction of COVID-19 burden (albeit, they are not able to lead to elimination). Combining low efficacy masks with improved levels of the other anti-COVID-19 intervention strategies can lead to the elimination of the pandemic. This study emphasizes the important role social-distancing plays in curtailing the burden of COVID-19. Increases ...
Ref: Mathematical assessment of the impact of non-pharmaceutical interventions on curtailing the 2019 novel Coronavirus [Math Biosci, 2020]These findings may inform decision-making of lifting SAHO and face.
... which appeared to associate with implementation of SAHO and the CDC face-masking recommendation. Simulation on early-implementation and removal of SAHO reveals considerable impact on COVID-19 daily new cases and deaths. These findings may inform decision-making of lifting SAHO and face. ...
Ref: Associations of stay-at-home order and face-masking recommendation with trends in daily new cases and deaths of laboratory-confirmed COVID-19 in the United States [Math Biosci, 2020-05-06]The modified mask passed the OSHA N95 fit test, with an overall fit factor of 142 ( Figure 4 ).
... The modified mask passed the OSHA N95 fit test, with an overall fit factor of 142 ( Figure 4 ). The only exercise with a failing fit factor of 94 occurred while the subject was talking during the fit test. We attribute this sole borderline measurement during talking to a ...
Ref: Modifying a Full-Face Snorkel Mask to Meet N95 Respirator Standards for Use With Coronavirus Disease 2019 Patients [A A Pract, 2020-05-11]modestly effective masks (20%) could halve total infections,
... that do and do not use masks. The latter concluded that, for pandemic H1N1 influenza, modestly effective masks (20%) could halve total infections, while if masks were just 50% effective as source control, the epidemic could be essentially ...
Ref: To mask or not to mask: Modeling the potential for face mask use by the general public to curtail the COVID-19 pandemic [Infect Dis Model, 2020-04-21]the N95 masks are thought to have a superior efficacy by filtering out very small particles.
... Both types of face masks are known to prevent the transmission of respiratory particles; however, the N95 masks are thought to have a superior efficacy by filtering out very small particles. In spite of having many benefits, the N95 masks have certain limitations and it is ...
Ref: COVID-19 and the Efficacy of Different Types of Respiratory Protective Equipment Used by Health Care Providers in a Health Care Setting [Cureus, 2020-04-10]Clearly, facial protection, either in the form of masks or alternates, appears to have mitigated the pandemic
... purifying respirators (PAPR), and the skin-health impact of prolonged wearing of facial protection by HCW. Clearly, facial protection, either in the form of masks or alternates, appears to have mitigated the pandemic as seen from the minimal COVID-19 spread in countries where public mask wearing is strictly ...
Ref: Facial protection in the era of COVID-19: a narrative review [Oral dis, 2020]In this setting limiting masks to confirmed infections is far less 118 likely to have an impact on transmission than universal use.
... in Wuhan, China [18] . In this setting limiting masks to confirmed infections is far less 118 likely to have an impact on transmission than universal use. The key argument for 119 universal use is thus preventing transmission and a secondary argument is 120 preventing acquisition [7, 9] . ...
Ref: Widespread use of face masks in public may slow the spread of SARS CoV-2: an ecological study [Oral dis, 2020-04-06]The surgical mask has also been shown to intercept other human coronaviruses during coughing [11] .
... disease) has been shown to reduce infectivity to guinea pigs by 56% [9, 10] . The surgical mask has also been shown to intercept other human coronaviruses during coughing [11] . A meta-analysis of randomized controlled trials also showed that surgical masks and N95 respirators were ...
Ref: Universal use of face masks for success against COVID-19: evidence and implications for prevention policies [Eur Respir J, 2020-04-29]According to our analysis, wearing masks significantly reduced the risk of infection among HCWs by 80%.
... According to our analysis, wearing masks significantly reduced the risk of infection among HCWs by 80%. It is noteworthy that, none of the 278 HCWs wearing N95 masks in quarantined areas were infected by SARS-CoV-2 yet, 10 of the 215 HCWs who did not wear masks ...
Ref: Efficacy of face mask in preventing respiratory virus transmission: a systematic review and meta-analysis [Eur Respir J, 2020-04-07]However, we do observe a small but statistically significant effect when it comes to the collective interest treatment.
... against contracting COVID-19 does not appear to increase the probability that they will do so. However, we do observe a small but statistically significant effect when it comes to the collective interest treatment. When compared with the control group, the collective interest treatment increases the average respondent"s inclination ...
Ref: Does Collective Interest or Self-Interest Motivate Mask Usage as a Preventive Measure Against COVID-19? [Can. J. Polit. Sci., 2020-05-14]there is very little evidence of widespread benefit for members of the public.
• Face masks play a very important role in places such as hospitals, but there is very little evidence of widespread benefit for members of the public.
Ref: Rational use of face masks in the COVID-19 pandemic [Lancet Respir Med, 2020-03-20]the United States will need 3.5 billion N95 masks for healthcare workers during this pandemic, and currently has~1% of that necessary volume.
... disease protocol requires that clinicians dispose of N95 masks after contact with a patient. However, the United States will need 3.5 billion N95 masks for healthcare workers during this pandemic, and currently has~1% of that necessary volume. 1 The Center for Disease Control and Prevention recommends that clinicians save masks and reuse ...
Ref: Immediate-use steam sterilization sterilizes N95 masks without mask damage [Infection control and hospital epidemiology, 2020-04-17]The latest figures show thousands of HCWs getting infected with a large percentage of them dying [4] .
... their own mouth, nose, or possibly their eyes. The risk of getting severe COVID-19 is higher in health care workers (HCWs) who are in close contact with confirmed COVID-19 cases. The latest figures show thousands of HCWs getting infected with a large percentage of them dying [4] . ...
Ref: Knowledge, Attitude, and Practices of Healthcare Workers Regarding the Use of Face Mask to Limit the Spread of the New Coronavirus Disease (COVID-19) [Cureus, 2020-04-20]inappropriate purchasing and use by the general public have led to a critically diminishing supply of face masks and respirators.
... those caring for individuals with suspected COVID-19, or for those with active coughing or sneezing, inappropriate purchasing and use by the general public have led to a critically diminishing supply of face masks and respirators. 3, 4 This limitation in supply is especially concerning, given the exponential increase in cases ...
Ref: Utility of Substandard Face Mask Options for Health Care Workers During the COVID-19 Pandemic [Anesth Analg, 2020-04-20]that this impact naturally increases with mask effectiveness.
... holder for this preprint this version posted April 7, 2020. . cases and deaths, and that this impact naturally increases with mask effectiveness. The benefits of mask deployment are apparent even with low effectiveness and limited resources. In ...
Ref: Face mask use in the general population and optimal resource allocation during the COVID-19 pandemic [medRxiv, 2020-04-07]