Birdwatch Note Rating
2023-04-07 11:48:47 UTC - HELPFUL
Rated by Participant: 0B80D7F4365FFE1287204C5F02435F82CE3873EFFF11368710E6A0AED1D12E67
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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