
02/14/2024
How can we be sure a vaccine is safe?
The FDA requires that vaccines meet rigorous safety standards before they’re approved for the public.
This process includes multiple clinical trial phases. Each phase is reviewed by a Data and Safety Monitoring Board - an independent panel of experts that assesses all safety data and can immediately stop a trial due to unacceptable safety risks. These experts don’t have any stake in whether the vaccine is used.
If all trial phases demonstrate that the vaccine benefits are greater than the risks for the people intended to get the vaccine, the FDA can license the vaccine for human distribution.
And for as long as the vaccine is being manufactured, pharmaceutical companies must provide the FDA with samples from each vaccine batch for testing before distribution can continue.
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