Birdwatch Note Rating
2023-04-07 13:27:34 UTC - HELPFUL
Rated by Participant: DF15997C924A05CEDA435B0FAFA093C9C897BE60F9CEA6E8F861AE9A5A200703
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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