When does HIV become AIDS?

A. When the helper T-cells drop to 200 or below.
B. After 3 months of having HIV it will automatically become AIDS
C. Once you are diagnosed with HIV, you are also diagnosed with AIDS.
D. When your white blood cells go above 200.

Adouble-blinded trial for a new indication is conducted under an ind comparing two (2) marketed drugs, at twice the approved prescribed doses. on day 2, subject 603 had difficulty breathing. although it was life-threatening initially, subject 603 was treated and discharged directly from the emergency department after complete recovery. on day 5, subject 20 had a headache, which led to hospitalization and required blood pressure lowering medications. these episodes cannot be explained on the basis of the pharmacological property of either drug or the subjects' medical histories. the investigator would submit an sae report for