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plague: the numbers

plague · Yersinia pestis, still here

the black death killed a third to a half of europe in four years, 1347 to 1351. it came from rodents, by flea. it is still here: about one to two thousand cases a year, in madagascar, congo, peru, and a few in the american west, from prairie dogs and squirrels.

method WHO reported cases; historical mortality from Bramanti et al. 2016.

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<iframe src="https://thetoll.earth/?channel=plague" width="100%" height="520" style="border:1px solid #D9DDDB" title="the toll · plague"></iframe>
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<iframe src="https://thetoll.earth/?embed=1" width="100%" height="520" style="border:1px solid #D9DDDB" title="the toll · on now, everywhere"></iframe>

how this number is built

method
WHO reported cases; historical mortality from Bramanti et al. 2016.
range
1,000–3,000 cases/yr
confidence
count
weakness
reporting varies; Madagascar dominates.
dispute
dispute LGR-085 · corrections are credited
data
channels.json (sign-in) · full entry · CC BY 4.0
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