Birdwatch Note Rating
2024-12-07 21:06:35 UTC - HELPFUL
Rated by Participant: D8FFC458A810340F1139083E42944BA99446B4F030D7CA45196633D23E2D4B81
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