Birdwatch Note Rating
2023-04-07 15:45:51 UTC - HELPFUL
Rated by Participant: 89E19E16EFFD662F4279D1ADAAAD5280202D3D23C5FBD449FE497E7BD0966908
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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