A policeman in San Francisco scolds a man for not wearing a mask during the 1918 Influenza Pandemic A policeman in San Francisco scolds a man for not wearing mask during the 1918 Influenza Pandemic, 1918.byu/snoopynoopy inDamnthatsinteresting Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading... Arts and Letters