some signs that AIDS has developed are:

Finally, with further decreases in the levels of CD4 cells, the person develops AIDS. In an HIV-infected person, some signs that AIDS has developed are:

• The CD4 count has decreased to 200 cells per cubic milliliter of blood or fewer.
• An infection has developed, causing certain types of pneumonia, diarrhea, eye infections or meningitis. Some of the germs that can cause these opportunistic infections include Candida fungus, cryptococcosis, cytomegalovirus, herpes simplex virus, Mycobacterium avium complex and Pneumocystis carinii. The person also can develop fungal infections specific to certain areas of the United States, such as histoplasmosis and coccidioidomycosis.
• A tumor has developed, including cervical cancer, Kaposi's sarcoma (cancer-causing round, reddish spots in the skin and mouth), certain types of non-Hodgkin's lymphoma or brain lymphoma.
• An AIDS-related brain illness has developed, including HIV encephalopathy (AIDS dementia) or progressive multifocal leukoencephalopathy.
• There is severe body wasting (HIV wasting syndrome).
• There is an AIDS-related lung illness, such as pulmonary lymphoid hyperplasia or lymphoid interstitial pneumonia (usually seen only in children).