Birdwatch Note Rating
2023-05-09 21:19:32 UTC - HELPFUL
Rated by Participant: 7D92E239619E7CC5A37D3A8E693BD64FB4ADBD10CA691B37590C3D92ACFF409E
Participant Details
Original Note:
In the early 1950s, before polio vaccines were available, polio outbreaks caused more than 15,000 cases of paralysis each year in the U.S. Following introduction of vaccines the number of polio cases fell rapidly to less than 100 in the 1960s and fewer than 10 in the 1970s https://www.cdc.gov/polio/why-are-we-involved/index.htm#:~:text=Polio%20has%20been%20eliminated%20from,originated%20in%20the%20United%20States.
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