Birdwatch Note Rating
2023-04-07 09:39:57 UTC - HELPFUL
Rated by Participant: 747C2EAF0B053863543F9946B5DCE03D968C1F9E3F87C49BBBAB35E1AF014145
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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