Birdwatch Note Rating
2023-04-07 10:16:30 UTC - HELPFUL
Rated by Participant: C0C3A98BACC4E62FB687CC1FEF5B00E005B69484E6704C583CBABE5416D795B5
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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