Individuals who have been infected by the human immunodeficiency virus (HIV)
A. succumb to the disease in a relatively brief period of time after infection due to massive loss of B lymphocytes.
B. always manifest symptoms early in the disease process.
C. can be diagnosed only when they develop certain rare forms of cancer.
D. generally are diagnosed by detection of anti-HIV antibodies or HIV RNA in their blood.
E. have normal B-cell and cytotoxic T-cell function.
Answer: D
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