Birdwatch Note Rating
2023-04-07 17:20:11 UTC - NOT_HELPFUL
Rated by Participant: 345078A4DD197B620A8DEB6E68C58035B77570D9E34821A17E4028A942420EAE
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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