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ON THE COVER:
Influenza poster, 1918. Poster displayed in American theatres during 1918, providing information about the influenza pandemic. After the First World War, there was a global influenza pandemic, known as the Spanish Flu (1918-1919). A fifth of the world's population was infected, and between 20 and 50 million people died. Such pandemics occur when a new infectious virus appears for which the human population has no immunity. This can happen when there is a major change in the surface proteins of an existing virus. This poster is from Chicago, USA.
Image by SPL / Photo Researchers, Inc. Image and text copyright 2009 Photo Researchers, Inc. All Rights Reserved. Licensed from Photo Researchers, Inc. for reproduction by Clinical Medicine & Research.
See related article:
"1918 Influenza: A Winnebago County, Wisconsin Perspective" pp. 147-156.
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