Birdwatch Note Rating
2023-04-07 09:29:25 UTC - SOMEWHAT_HELPFUL
Rated by Participant: 1E63C4F17963B9C5B4489BFDF29FE99946F4AFDBE9F44C5F9A9F6119EB7A78A4
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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