Birdwatch Note Rating
2023-04-07 08:50:35 UTC - HELPFUL
Rated by Participant: D53A37DD5C592008968A02F17670E4B19268714061A5D9077188D19CA4EB2A65
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