[Dylan16807]

We have extremely good treatments for HIV. And that one is particularly difficult to cure because it infects your immune system.

Cancer isn't an infection and is a million different diseases lumped together.

We could prevent the flu much more reliably if it didn't mutate so much. Will this disease do the same? Maybe. It's very hard to know.

[nradov]

So far SARS-CoV-2 mutates much slower than the various influenza strains due to fundamental differences in the RNA transcription mechanism. That is unlikely to change.