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Mutations happen all the time at each replication - within a single individual as well; they just get propagated with every newly infected person.
by nikolay 5y ago
Mutations happen all the time at each replication - within a single individual as well; they just get propagated with every newly infected person.
- postalrat 5y agoSo wouldn't they build up less if everyone is infected with the same strain? And not the strain after 100 previous infections.
- noxer 5y agoYes because if everyone has variant A and variant A provides some kind of immunity to variant B then there will be less reproduction of B and therefore the chance of mutation becomes lower even if B infect everyone at the same time too. But this is only true if you expect both A and B to reach everyone eventually. Currently we expect that a lot people never had any variant and therefore no mutation could happen in these people. But if they get it all eventually then it just delays mutation.