Birdwatch Note Rating
2023-04-07 13:01:01 UTC - HELPFUL
Rated by Participant: 7B7035AD398B65EEF762C39B610F913516129C25EF26B2AA5E3583A899C32EC0
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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