Viral evolution is the change of a viral population in the face of selection pressures. This process occurs faster than in other organisms because viruses produce so many progeny harboring many genome mutations. In this lecture we consider the four main drivers of viral evolution: large numbers of progeny, mutation, selection, and quasispecies effects, and discuss where viruses came from and where they are going.
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Virology Lectures 2020 #21: Evolution
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