The Manual on Viruses
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People in England wear different - looking
mask to prevent the flu circa 1932.
Imagno
In this hounting photo, a man in Australia poses
with a painting skull.and crossbones on his mask.
Sam Hood/State Library of New South
Wales
People in London wear masks to avoid catching
the flu circa 1932. This is a preventative mathod
people still use around the world today.
Fox Photos
THE MANUAL ON VIRUSES
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