Birdwatch Note Rating
2023-04-07 09:23:18 UTC - HELPFUL
Rated by Participant: 061E249DE07EFECD87EFF40032138C668C0865997B730E53383691CB15AE6053
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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