Birdwatch Note Rating
2023-04-07 21:31:13 UTC - NOT_HELPFUL
Rated by Participant: 56F26C5F01F57661B581EF6543E517919105EE229805A2D3C6B1B481104CB574
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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