Oh oops, I meant like, non-nraas mod that just happens to be compatible with it and not break. I guess vector can't be used for a non-stop negative effect with no infectiousness then, either? But thanks for the response, very appreciated.

Does someone maybe know a non-nraas mod that could be paired up with nraas to do this? I think it'd be great to e.g. roleplay a chronically ill Sim, especially since Sims 3 doesn't really have custom traits to help out instead. (I think there are some with such negative effects for Sims 4.) Or can i...