VOX POPULI: Flu akin to a protean monster we keep having to battle against：The Asahi Shimbun - Asahi Shimbun

VOX POPULI: Flu akin to a protean monster we keep having to battle against：The Asahi Shimbun  Asahi Shimbun

While riding the train to work the other day, I inadvertently sneezed. I was wearing a face mask, bu.