Birdwatch Note Rating
2023-04-07 09:19:55 UTC - HELPFUL
Rated by Participant: 663B4261C48B32B62EFAC8EE8568D4495A047F10A7ABB0ACB642ECE973C46823
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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