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Why did the 1918 flu kill so many healthy young adults?
Flu usually kills the very young and the very old. In 1918 nearly half the deaths in the US were people aged 20 to 40, and scientists still argue why.
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Flu usually kills the very young and the very old. In 1918 nearly half the deaths in the US were people aged 20 to 40, and scientists still argue why.
Tap to go on, or swipe →