User talk:2A02:F6D:8484:0:448A:8A17:45AE:C761

Incubation theory for multiple mutated variants
Although this has nothing to do with mutation, it is very well possible that multiple versions can infect the same person.

Also, it's possible that many mutations actually occur within a single patient, over the course of any patient's infection duration. This does not mean that many viable versions exist within each patient, but that most of these mutations are non-viable, and therefore the new version per result of such mutation has a subspecies count of 1 and 1 only, after which it dies and with it the variation.

Also, for a new variation to occur, significantly many of the virions must escape the host body before the immune reaction and subsequent cleanup of the virion from the body, since when this is not the case, the variant virion form ends with the infection.

For any mutation to become spread it must be viable and have at least spread to one more person. If either of these conditions is not met, it will not become a new spread variant and will die as the last member of it's subspecies dies within the host body.

Note that this leaves room for even more than 2 versions to exist within any given host, although the chances for those are even less than for both conditions mentioned before, nearing the chance for both those conditions at the same time raised to the power of x, where x is the number of viable variants then present in the body simultaneously.