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Amazing news: polio type 3 has just been declared eradicated. The WHO declared polio type 2 eradicated in 2015. That leaves polio type 1. There have been 206 cases of polio in 2019, worldwide:https://arstechnica.com/science/2019/10/were-closer-to-eradicating-polio-from-the-planet-2-of-3-strains-now-wiped-out/ …
The logistics behind this operation are amazing. Here's a very matter-of-fact paper unpacking the cold chain management behind delivering 1.7 billion doses annually: http://polioeradication.org/wp-content/uploads/2016/09/Cold-chain-logistics-and-vaccine-management-during-SIA_Nov2015_EN.pdf … Hats off to the people doing this.
I'd quote, but almost every page in the core of the report blew my mind. It's all bureaucratic minutiae, the sort of thing that has no hold on my mind... and it's saving countless human lives. Middle managers and bureaucrats very, very much FTW!
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