Birdwatch Note Rating
2024-03-04 22:58:54 UTC - HELPFUL
Rated by Participant: 77F3621FF8FA173FA4ACD668DF010C276EAE695AC375074FD5F7766FA71A337C
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Original Note:
Polio was first described in 1789 (Michael Underwood) and formally recognized in 1840 (Jakob Heine) as explained in https://www.who.int/news-room/spotlight/history-of-vaccination/history-of-polio-vaccination DDT was first synthesized in 1874 (Othmar Zeidler) and recognized as an insecticide in 1939 (Paul Hermann Müller) as described in https://en.m.wikipedia.org/wiki/DDT
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