/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/a7/47/a7476cf9-85a7-41d0-982a-1009d8eb941a/christmas.jpg "What the Pandemic Christmas of 1918 Looked Like | History| Smithsonian Magazine")
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Global Influenza Programme
Flu Has Disappeared for More Than a Year - Scientific American
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