Birdwatch Note Rating
2023-04-07 10:42:31 UTC - NOT_HELPFUL
Rated by Participant: C1F09FEBFC2E696A2F43A27B42876904AE3DBA9F42168C467BDE4626F31E0F24
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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