Birdwatch Note Rating
2023-04-07 09:51:03 UTC - HELPFUL
Rated by Participant: 6CDF912351629D0C84505B3CA9ACFE3601EB532BF158752E316852C713F7CEAC
Participant Details
Original Note:
Vaccines normally require a study on their efficacy before being approved. Independent governments and health agencies all over the world tracked the efficacy of the vaccine over time, taking into account factors such as new variants originally not known. https://www.nejm.org/doi/full/10.1056/nejmoa2110345
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