Birdwatch Note Rating
2023-02-02 01:39:11 UTC - HELPFUL
Rated by Participant: 5F3FEEEA4B65ED345DAE872C369EBD16D567DEAC24EF4BC2780EA275F1673238
Participant Details
Original Note:
Pfizer's Covid-19 vaccine underwent a rigorous 3 phase trial. Pfizer's phase three (safety and efficacy) clinical trial began in late July 2020 and the results were published in December 2020, and showed adequate information for the FDA to approve it. https://research.northeastern.edu/heres-what-it-takes-to-test-a-covid-19-vaccine-with-clinical-trials/
All Note Details