Birdwatch Note Rating
2023-04-07 10:02:13 UTC - HELPFUL
Rated by Participant: 721801EAB63C6BDADB9FC2D4E2B0B26F09E5EFBC60BF0CF7E7CAD9607FF9D072
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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