Carl Zimmer on Twitter
on twitter.com

“Hi @jack, did you know that 2.6 million people died of measles each year before the introduction of the measles vaccine? Or that the vaccine brought about a 84% drop in measles deaths between 2000 and 2016 worldwide? https://t.co/BWUwnugY2x https://t.co/mx2bCNaIRh”
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