8 Main Types of COVID Vaccines—Which Vaccines Are Approved for COVID-19? At present, four types of COVID-19 vaccines have been developed or are in development. They include viral vector vaccines, nucleic acid vaccines, subunit vaccines, and whole virus vaccines. They each have two subtypes, so there are eight subtypes of vaccines. 1.) Nucleic acid vaccines Nucleic acid vaccines use the SARS-CoV-2 virus’s genetic materials (either RNA [...]
Author: Mercura Wang
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