why do virus mutate
They reproduce many times in a host leading to many generations of viruses. These changes can affect parts of the virus whether thats a difference in the. Pin On Viruses Viruses can have genomes based on DNA or RNAunlike human genomes which are made up of DNA which then can create RNA. . Like humans and animals when viruses reproduce copying errors or genetic mutations appear. DNA viruses as the name suggests use double strands of DNA. But every once in a while a virus strikes lucky by mutating in a way that helps it survive and reproduce. Many vaccines apparently including the COVID vaccines do not completely prevent a virus from multiplying inside someone even though these vaccines do prevent serious illness In short like bacteria mutate and get stronger to survive the assault of antibacterial agents viruses can mutate in vaccinated individuals who contract the virus and in those it will mutate. That may sound like a lot bu...