Viruses may rapidly evolve resistance to vaccines and medications by modifying their DNA; what mechanism(s)do they use?

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Viruses have high mutation rates during replication, resulting in variations and changes to their genetic material that may allow them to evade vaccines and medications. These mutations can result in alterations to viral proteins that render them less susceptible to the effects of drugs or immune system responses.

Viruses May Rapidly Evolve Resistance to Vaccines and Medications by Modifying