The Effect of Mask Use on the Spread of Influenza During a Pandemic
Identifieur interne : 002708 ( Main/Exploration ); précédent : 002707; suivant : 002709The Effect of Mask Use on the Spread of Influenza During a Pandemic
Auteurs : Nicole C. J. Brienen [Pays-Bas] ; Aura Timen [Pays-Bas] ; Jacco Wallinga [Pays-Bas] ; Jim E. Van Steenbergen [Pays-Bas] ; Peter F. M. Teunis [Pays-Bas, États-Unis]Source :
- Risk Analysis [ 0272-4332 ] ; 2010-08.
English descriptors
- Teeft :
- Aerosol, Aerosol inoculation, Aerosol transmission, American journal, Basic reproduction number, Considerable reduction, Contact transmission, Droplet, Droplet transmission, Environmental surfaces, Exact size criterion, Face mask, Face mask protection, Face masks, General population, Hand hygiene, Healthy individuals, Hong kong, Household contacts, Important role, Infection, Infection attack rate, Infection control, Infection risk, Infectious contacts, Infectious diseases, Infectious person, Infectivity, Inoculation, Literature search, Main features, Mask, Mask coverage, Mask coverage mcov, Mask meff, Mask protection factors, Mathematical models, Meff, Meff middle line, Multivariate analysis, National institute, Nonbiological particles, Nonpharmaceutical interventions, Other hand, Other objects, Pandemic, Paper masks, Population level, Possible effects, Probable sars patients, Public health, Public places, Reproduction number, Reproduction number rint, Respiratory infection, Respiratory infections, Respiratory syndrome, Rint, Risk analysis, Risk factors, Royal society, Sars, Sars epidemic, Sedimenting droplets, Surgical, Surgical mask, Surgical masks, Susceptible population, Transmission, Virus, Virus particles, Virus transmission, World health organization.
Abstract
Face masks have traditionally been used in general infection control, but their efficacy at the population level in preventing transmission of influenza viruses has not been studied in detail. Data from published clinical studies indicate that the infectivity of influenza A virus is probably very high, so that transmission of infection may involve low doses of virus. At low doses, the relation between dose and the probability of infection is approximately linear, so that the reduction in infection risk is proportional to the reduction in exposure due to particle retention of the mask. A population transmission model was set up to explore the impact of population‐wide mask use, allowing estimation of the effects of mask efficacy and coverage (fraction of the population wearing masks) on the basic reproduction number and the infection attack rate. We conclude that population‐wide use of face masks could make an important contribution in delaying an influenza pandemic. Mask use also reduces the reproduction number, possibly even to levels sufficient for containing an influenza outbreak.
Url:
DOI: 10.1111/j.1539-6924.2010.01428.x
Affiliations:
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Data from published clinical studies indicate that the infectivity of influenza A virus is probably very high, so that transmission of infection may involve low doses of virus. At low doses, the relation between dose and the probability of infection is approximately linear, so that the reduction in infection risk is proportional to the reduction in exposure due to particle retention of the mask. A population transmission model was set up to explore the impact of population‐wide mask use, allowing estimation of the effects of mask efficacy and coverage (fraction of the population wearing masks) on the basic reproduction number and the infection attack rate. We conclude that population‐wide use of face masks could make an important contribution in delaying an influenza pandemic. Mask use also reduces the reproduction number, possibly even to levels sufficient for containing an influenza outbreak.</div></front></TEI><affiliations><list><country><li>Pays-Bas</li><li>États-Unis</li></country><region><li>Géorgie (États-Unis)</li><li>Utrecht (province)</li></region><settlement><li>Utrecht</li></settlement></list><tree><country name="Pays-Bas"><noRegion><name sortKey="Brienen, Nicole C J" sort="Brienen, Nicole C J" uniqKey="Brienen N" first="Nicole C. J." last="Brienen">Nicole C. J. Brienen</name></noRegion><name sortKey="Teunis, Peter F M" sort="Teunis, Peter F M" uniqKey="Teunis P" first="Peter F. M." last="Teunis">Peter F. M. Teunis</name><name sortKey="Timen, Aura" sort="Timen, Aura" uniqKey="Timen A" first="Aura" last="Timen">Aura Timen</name><name sortKey="Van Steenbergen, Jim E" sort="Van Steenbergen, Jim E" uniqKey="Van Steenbergen J" first="Jim E." last="Van Steenbergen">Jim E. Van Steenbergen</name><name sortKey="Wallinga, Jacco" sort="Wallinga, Jacco" uniqKey="Wallinga J" first="Jacco" last="Wallinga">Jacco Wallinga</name><name sortKey="Wallinga, Jacco" sort="Wallinga, Jacco" uniqKey="Wallinga J" first="Jacco" last="Wallinga">Jacco Wallinga</name></country><country name="États-Unis"><region name="Géorgie (États-Unis)"><name sortKey="Teunis, Peter F M" sort="Teunis, Peter F M" uniqKey="Teunis P" first="Peter F. M." last="Teunis">Peter F. M. Teunis</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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