Birdwatch Note Rating
2023-04-07 15:45:51 UTC - HELPFUL
Rated by Participant: 84021275F492860C95D937912043B4D5CC4D749DA7E2D710C26D92E1130D70DB
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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