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provides photos, letters, and other documents from the flu outbreak that attacked one fifth of the world's population and killed an estimated 50 million people. (National Archives and Records Administration)
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World War I claimed an estimated 16 million lives. The influenza epidemic that swept the world in 1918 killed an estimated 50 million people. One fifth of the world's population was attacked by this deadly virus. |
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Protection against influenz |
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