Birdwatch Note Rating
2024-12-08 08:56:07 UTC - HELPFUL
Rated by Participant: BEE18E9C7A2E77A84F490D1E83D4AD310182F9B3F67BB837A7AE90BEF2475C23
Participant Details
Original Note:
The first generation of vaccines is tested against a placebo but future generations of the same vaccine are tested against their previous generation, because it is not ethical to expose patients to vaccine preventable diseases once vaccinations are available. https://www.canada.ca/en/public-health/services/immunization/national-advisory-committee-on-immunization-naci.html
All Note Details