Birdwatch Note Rating
2024-12-07 18:07:57 UTC - HELPFUL
Rated by Participant: 77B4022D65743B01B096B9268708C7AFA3759EFAB53C904564E00A987B39A334
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