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barchueetadonai t1_jdjg7dd wrote

Reply to comment by melanthius in What happened to the old COVID variants, like Delta? Could they come back? by number1dork

Yes, but it’s very difficult to be infected with two very similar virus stains at the same time, so a more infectious variant (like Omicron) would get to most hosts first, so the other strains would keep hitting hosts that are already infected with the more infectious strain.

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valryuu t1_jdjie0x wrote

So does the more infectious strain just basically outcompete the less infectious ones, and prevent the latter from even actually infecting the person?

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