At the Height of the 1918 Flu Pandemic, the Anti-Mask League of San Francisco Formed to Protest PPE
In January 1919 , San Francisco residents received some bad news : The second wave of the 1918 flu was roll through the metropolis , and masks were mandatory once again . They already know the drill . On October 24 , 1918 , Mayor James Rolph , health officer Dr. William C. Hassler , and other agency had mandated protective masks to prevent the spread head of the disease , and the worldwide populace had promptly distinguish the practice session as a matter of life and last ....