Birdwatch Note Rating
2023-04-07 12:58:50 UTC - HELPFUL
Rated by Participant: C62754C296D9C7069E5EF4B4E55FA6085740719C55BA743ABBBE85FA76E442FC
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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