Birdwatch Note Rating
2023-04-07 13:50:30 UTC - HELPFUL
Rated by Participant: 02B9B30C2A4BD529FF41D836C71C391330EEE095F3F0199B8C6820DECACE22E7
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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