History: Girls in Japanese schools wear protective masks to protect against the flu epidemic. 1918 outbreak. (1200x675)

https://i.redd.it/mbwg2nzor2m71.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/pjm3re/girls_in_japanese_schools_wear_protective_masks/?utm_source=ifttt