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As a virus replicates, its genes undergo random “copying errors” (i.e. genetic mutations). Over time, these genetic copying errors can, among other changes to the virus, lead to alterations in the virus' surface proteins or antigens.
Common questions
For informational purposes only. Consult your local medical authority for health advice.
Jun 22, 2021 · But occasionally, a mutation helps the virus copy itself or get into ... “This is concerning, because it means the virus could spread more ...
Mutant viruses are continuously arising in viral populations. Even prolonged passage in the same environment does not mean that a population equilibrium has ...
Virus mutations create genetic diversity, which is subject to the opposing actions of selection and random genetic drift, both of which are directly affected by ...
Jul 12, 2021 · Mutation. When a virus replicates, and the end copy has differences (in DNA or RNA), those differences are mutations. Variant. When you ...
Jun 15, 2020 · RNA viruses, like the flu and measles, are more prone to changes and mutations compared with DNA viruses, such as herpes, smallpox, ...
Jul 22, 2020 · A mutation is simply a change in the virus' genome: the set of genetic instructions that contain all the information that the virus needs to ...
Mutation, an alteration in the genetic material (the genome) of a cell of a living organism or of a virus that is more or less permanent and that can be ...
Mutations involve changes to the sequence of an organism's genetic code. As you have learned, viruses typically mutate more rapidly than human cells do.
Feb 28, 2021 · SARS-CoV-2 virus particles (yellow) emerging from cells (blue/pink). ... That means a Coronavirus is only a 'mutant' if it mutated recently.