Birdwatch Note Rating
2023-04-07 10:31:57 UTC - HELPFUL
Rated by Participant: 0443B631AC3E263F003E296BCBD3D076560D9A0B3577975E74D7A95B4DA4C1DB
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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