Birdwatch Note Rating
2023-04-07 17:41:22 UTC - SOMEWHAT_HELPFUL
Rated by Participant: B397AF81686C21634E6626CCDF34F0F0B2D08B6722325B50128A87948A6648B0
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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