Soldiers wearing masks for protection from influenza during World War I

Description

Soldiers at a U.S. army hospital in France during World War I wear masks for protection from the influenza epidemic.

Credit

Public domain/ courtesy, the National Library of Medicine/ 1918

Source

http://ihm.nlm.nih.gov/luna/servlet/detail/NLMNLM~1~1~101396929~158762?qvq=q:No.+30+Masks;sort:Title,Subject_MeSH_Term,Creator_Person,Creator_Organization;lc:NLMNLM~1~1&mi=1&trs=4