Vaccine testing
Vaccines undergo many tests to ensure they are safe and effective.Clinical trials Involve thousands of healthy participants, last for many years and are followed by
constant monitoring by scientists.
aging
clinical
covid
defenses
doctor
health
immune
immunisation
immunization
lab
scientist
system
test
testing
tests
trials
vaccine
vaccines
years
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Posted on
Oct 15, 2021
More by Paula Alvarez Alves (Alvz) View profile
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