− | The clinical signs in the immunosuppressive stage of the disease are related to secondary infections and are therefore extremely variable. The virus itself may also have certain effects. | + | The clinical signs in the immunosuppressive stage of the disease are related to secondary infections and are therefore extremely variable. Clinically, the associated conditions cannot be distinguished from those occuring in feline leukaemia virus-related immunosuppression. Patients often present with vague signs, such as inappetance or weight loss, and a history of recurrent minor illness related to the gastrointestinal or upper respiratory tract is common. |