Birdwatch Note Rating
2023-04-07 13:01:01 UTC - HELPFUL
Rated by Participant: 676997DF4BD62CE870B23566129C3C8C87A13E57EF6F7E41579B7A16DEF6B4B7
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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