Birdwatch Note Rating
2023-04-07 21:21:27 UTC - NOT_HELPFUL
Rated by Participant: D4EA906BE64F0CFDAF46E90CE6B806739F575C8D52AB9E5C7CF82FCD9A650D58
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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