| • | Kaposi's Sarcoma Kaposi's sarcoma is a type of cancer that is caused by a virus (human herpes virus 8). The tumor appears as red or purple patches on the skin, mouth, lungs, liver, or gastrointestinal tract. |
| • | Candidiasis Candidiasis is an infection caused by species of Candida fungi, especially Candida albicans. |
| • | Cytomegalovirus Cytomegalovirus (CMV) is a virus related to the herpes family. It can cause many types of infections, especially in people who are immunocompromised. |
| • | Lymphoma (Hodgkin Disease and Non-Hodgkin Lymphoma) The two main types of lymphoma are Hodgkin disease and non-Hodgkin lymphoma. |
| • | Toxoplasmosis Toxoplasmosis is an infection caused by Toxoplasma gondii, a single-celled parasite that spends the main portion of its life cycle inside cats. |
| • | Thrush Information about thrush. |