Aradia will be infected with the Star Disease: Apathy strain. Once it kicks in, her box of fucks to give will go totally empty. For those familiar with her canon, she'll be acting eerily similar to how she did as a robot. She'll be bored as hell, and only watching other people suffer (and/or breaking things) will give her any semblance of fun.

The really dangerous thing about this combination is, breaking people may represent the most effective way of amusing herself while she's infected. Granted, she's less likely to try and hurt people she thinks of as friends - and in any case, the apathy means she won't go out of her way to hurt/murder anybody, so if it requires more effort than a twitch she probably won't bother. However, as a powerful telekinetic, she's perfectly capable of inflicting severe to fatal injuries with a twitch, so there's that.

TL;DR: If you want somebody to hurt/kill your character (infected or not), I offer Aradia as perpetrator.
(Needless to say she would feel pretty bad about it after the event is over.)

As for curing her, I'm open to either method, whether that be via phials or by killing her. Due to reasons, her auto-revive ability won't do anything. In the case of cure phials, it might be tricky to get her to take them, but it could be done if somebody pushed them on her hard enough.