Cicada Rabies (3.5e Disease)

If a character successfully saves against infection, they become immune to Cicada Rabies and never run the risk of being infected again.

Every day that the character is infected, they must make a DC 12 Fortitude save or progress one step further along one of the two insanity tracks (chosen by rolling a d2).

Spells such as remove disease can cure Cicada Rabies, but all effects except for the last ones along each track are permanent until removed by a wish or miracle. For example, if remove disease is used on a character who is two steps along the Paranoia track and three steps along the Hallucinations track, they will stop having to make saves against further effects, but they will still be one step along the Paranoia track and two steps along the Hallucinations track.''