@zhang_yueting @EricTopol @loscharlos Universal what? HCW maybe but not general population. Japanese just use regular masks.
@zhang_yueting @EricTopol @loscharlos Universal 什么？ HCW 也许但不是一般人群。日本人只使用普通口罩。
@zhang_yueting @EricTopol @loscharlos Universal what? HCW maybe but not general population. Japanese just use regular masks.
@zhang_yueting @EricTopol @loscharlos Universal 什么？ HCW 也许但不是一般人群。日本人只使用普通口罩。