Birdwatch Note Rating
2023-04-07 17:48:48 UTC - HELPFUL
Rated by Participant: C082C9CB4B0ADEE0AB03E86352D5AD4923833992D208F27DC7BC591037032469
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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