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Vaccine Testing and Development Timeline and Myths

From pre-clinical studies and years of phase 1, 2, and 3 trials to continued monitoring after a vaccine is approved and added to the immunization schedule, the vaccine testing and development process helps make sure that vaccines are safe and that they work.

Are Vaccines Evaluated for Mutagenicity, Carcinogenicity or Impairment of Fertility?

Vaccines are appropriately evaluated for mutagenicity, carcinogenicity and impairment of fertility, when necessary, as a part of pre-clinical or nonclinical studies that occur even before the first phase one studies on people.

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