Citywide Maskwearing Policy: SARS Outbreak

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After reading the news about the rising dealth toll cause by H3N2, I begin to wonder whether citywide maskwearing policy should be launched as if the SARS outbreak occurred in 2003. Although mask wearing has a function of preventing contagion, it brings considerable inconvenience to our daily life. Is there a need to launch a citywide mask-wearing policy instead of in particular areas or other hygiene measures? Face mask provides a physical barrier to fluids and large particle droplets to prevent infections transmitted by respiratory droplets.Valle, Tellier, Settles and Tang (2010) indicated that masks are an efficacious nonpharmaceutical intervention to control the spread of disease if they are worn appropriately and consistently. Limsamarnphun

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