![Image](http://www.smccd.edu/accounts/case/biol675/images/flumask.jpg)
During the 1918 pandemic, masks were commonly worn by people in the U.S. and Europe.
Source: Christine L. Case, Ed.D.;Biology ProfessorSkyline College
http://www.smccd.edu/accounts/case/biol ... uenza.html
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