Birdwatch Note Rating
2023-04-07 09:19:50 UTC - HELPFUL
Rated by Participant: BE40D54B81EE330212EE5D8FD77FB20CA7F478B268B542A46E5EC810ED111EE3
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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