Birdwatch Note Rating
2023-05-05 01:04:54 UTC - HELPFUL
Rated by Participant: 015EF949CC561DD1C4D9D280A412D22A8B38286592F6F7EDB1F2996F2613D350
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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