Birdwatch Note Rating
2021-10-12 14:53:09 UTC - NOT_HELPFUL
Rated by Participant: 0EA6B09561C9A9E43470C90D8B420C0AD33EF2BE1811672A784D9CE58185E8A6
Participant Details
Original Note:
It was tested through a rigorous scientific trial of multiple phases. Efficacy for prevention of transmission, severe disease / death were evaluated in those phases. https://www.cdc.gov/vaccines/basics/test-approve.html The "success rate" of the vaccine since trials has not been measured using people with prior infections.
All Note Details