Birdwatch Note Rating
2024-12-07 16:29:14 UTC - HELPFUL
Rated by Participant: 26DAD58CB21F10F7CC20C5C4F39A1F3E95945811F0B5E09A6CE3993588138731
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