It’s certainly possible, but it might be that it’s very difficult for some organisms to evolve certain protections because adapting can reduce fitness in other

It’s certainly possible, but it might be that it’s very difficult for some organisms to evolve certain protections because adapting can reduce fitness in other ways. So maybe there is a barrier that would help it from UVC but perhaps that makes the virus less likely to bind at key sites and thus not able to replicate.