the point i was making here is that it was a variant of that flu in the 2nd / 3rd wave that started being really effective in taking down even strong immune systems
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50 million died! it was nearly 3% of the world population! a third of humanity was infected. almost all cases of influenza subsequently have been caused by descendants of the 1918 virus. it isn't true that it's gone away, even if our collective immune defences mitigate itpic.twitter.com/74Ul1H8Bha
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you've missed my point, which is that we haven't seen the end of this virus in terms of severity of disease, or lethality. the spanish flu became >25x more deadly, mutating in the squalid conditions of the trenches of europe during ww1, in a young population. what can happen here
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Polio was very nearly eliminated. It's even more infectious. The difference now is that the world is more interconnected.
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Replying to @DanielleFong @MLevitt_NP2013 and
Is there a vaccine for polio? (Asking for a friend...)
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