COVID-19 virus rapidly evolves to higher infectivity during in vitro growth, which may be a step toward lower virulenceDiseases, Conditions, Syndromes News

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  • Post published:September 15, 2021
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Viruses accumulate mutations as they replicate in infected cells. Repeated replication can lead to viral strains that show attenuated virulence. Such strains may act as vaccines if the attenuated virus can produce immunity without serious disease.