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Case 2: HIV Case Definition

You answered:

C The diagnosis of oral candidiasis meets criteria for HIV infection, stage 3 (AIDS).

This answer is incorrect. In the 1993 CDC HIV classification system, the diagnosis of oral candidiasis was a category B diagnosis. The 2008 case classification consists of four HIV infection stages: stage 1, stage 2, stage 3 (AIDS), and stage unknown. This 2008 classification system eliminates the the clinical categories A and B, but retains the 26 AIDS-defining conditions in clinical category C. Thus, oral candidiasis would not be a stage 3, AIDS-defining condition.

A The diagnosis of severe cervical dysplasia meets criteria for HIV infection, stage 4 (AIDS, severe immune suppression).
B The HIV RNA value of 187,000 copies/ml meets criteria for HIV infection, stage 2 (AIDS).
D The CD4 percentage of 12% meets criteria for HIV infection, stage 3 (AIDS).

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