Birdwatch Note Rating
2023-04-07 23:28:02 UTC - NOT_HELPFUL
Rated by Participant: 9CA4A0456C97A0473354F9574B95F3F651DCA47ECA13EA9F02FEEA3965925E5A
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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