Kattenaids, unfortunately, cannot be cured. The therapy consists of suppressing secondary infections with antibiotics. Specific antiviral treatment with Virbagen Omega from Virbac is possible, but not 100% effective. Also, it is an expensive treatment and is therefore not yet widely used in practice.
It is essential that cats in which FIV has been diagnosed cannot infect other cats. This means that they should only be housed and not be allowed outdoors to protect other cats! The risk of infection with FIV is lowest in cats kept indoors.