Birdwatch Note Rating
2023-04-07 17:48:48 UTC - HELPFUL
Rated by Participant: 16225E4AF968E31FD07DFA25D1098E21A249C6C57C77232129298DE526F7C785
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
All Note Details