Pfizer Inc and partner BioNTech SE said two of their experimental coronavirus vaccines received ‘fast track’ designation from the U.S. Food and Drug Administration, speeding up the regulatory review process.
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In This Story: Vaccine
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.