Vaccines Are Tested for Safety. Frequently.
What is in a vaccine (National Library of Medicine)
How are vaccines tested? (National Library of Medicine)
The Side Effects of Vaccines (Bill and Melinda Gates Foundation)
Step 1: Clinical Trials
Step 2: ACIP sign off.
Step 3: Continuous Monitoring
COVID-19 Vaccine Safety
The Covid-19 Vaccine is safe and effective. The vaccines met the Food and Drug Administration’s (FDA’s) rigorous scientific standards for safety, effectiveness, and manufacturing quality needed to support emergency use authorization (EUA).
Learn more on the CDC’s Webpage on the Safety of COVID-19 vaccines
Watch the US Department of Human Services video: COVID-19 vaccinations- How do we know they are safe?