EG
@profvrr said on TWiV several times that virus typically do not mutate to be both more virulent and more infectious - it's one or the other.
@angie_rasmussen would you explain how I am understanding things wrong? Can @sdbaral tweet this out to his virology pals?
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Uh I am not a skeptic about this. I just want to understand.
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Because if it kills/maims the host too fast it doesn't spread as much.
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......politics.Thanks. Twitter will use this to make your timeline better. UndoUndo
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I used to study this stuff, but didn't focus on viruses. It's something many like to talk about, but few work on. Infectiousness often follows virulence. Having trouble sleeping, here's a review ->https://bit.ly/3wdZSRT
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It’s mutating constantly due to our refusal to mask up and limit encounters (asymptomatic doesn’t help). If a virus gets too virulent and too quick, then it can burn out (killing hosts quickly, before it can spread too much). Not a great evolutionary advantage. Can happen.
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This virus kills by overactivating the immune system. Typically the immune system gets rid of the virus and then proceeds to kill the host. Therefore, in this case, there is no evolutionary advantage for the virus to keeping you alive.
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There is evolutionary advantage for the virus to multiply faster. That would lead to it spreading faster in the community but possibly also to spreading faster inside the body which might lead to more severe disease and death. Not a virologist, though...
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