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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.
Dec 17, 2020
Common questions
For informational purposes only. Consult your local medical authority for health advice.
Aug 23, 2021 · While the idea of a virus mutating might sound scary, it's actually quite normal. Viruses mutate constantly. This is especially true of viruses that contain RNA ...
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 accumulate enough ...
Apr 1, 2021 · Organisms in general, be it humans, plants, insects, bacteria, or viruses, undergo genetic mutations which can be beneficial or detrimental.
Jul 19, 2021 · Well, first, viruses have a mutation rate that's much, much higher than humans or other animals, and they replicate at a rate that's really, really fast. So in ...
Feb 16, 2021 · Mutations in virus and cell genomes (substitutions, additions or deletions in the cellular DNA and viral DNA or RNA sequences) occur continually. This can ...
Feb 5, 2021 · Mutations may happen randomly, but the rate at which they occur depends on the virus. The enzymes that copy DNA viruses, called DNA polymerases, can proofread ...
Apr 5, 2021 · Double mutant variant is a term used to refer to a variant of a virus with two mutations, most commonly used for a particular variant of the COVID-19 virus.
Mar 1, 2021 · A virus with one or more new mutations is referred to as a “variant” of the ... of sufficient scale and diversity to enable clear interpretation of results.
Apr 23, 2021 · Viral mutations typically have no significant immediate effect on the ability of ... This variant (B.117) has been found to be more transmissible, meaning ...