Birdwatch Note Rating
2023-04-07 09:51:03 UTC - HELPFUL
Rated by Participant: DC9C30A056051DDEACCFF78067936DD0185FF1231C925C5D07597AE8F3826B8E
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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