Birdwatch Note Rating
2023-04-07 21:46:25 UTC - HELPFUL
Rated by Participant: 1853648AFD56584F3AD8BCB2E58B8809C49A64213BFF42B6168077AB3DC37A82
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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