Wearing surgical-style masks, primarily to prevent the spread of illness, has become a part of social etiquette in Japan. The custom was spurred on by the H1N1 influenza epidemic of...
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Wearing surgical-style masks, primarily to prevent the spread of illness, has become a part of social etiquette in Japan. The custom was spurred on by the H1N1 influenza epidemic of 2009, and there are now a huge variety of masks on sale.