Which of the following is a CDC criterion for the progression of HIV infection to AIDS?
a. Increase in viral load
b. Decreased ratio of CD8 to CD4
c. Increase in white blood cells
d. Increased reactivity to skin tests
ANS: A
AIDS is the end stage of an HIV infection. The CDC has developed criteria for the diagnosis of AIDS, which are: increase in viral load even with pharmacologic interventions, increase in the ratio of CD8 to CD4, decline in the WBCs, and a decreased reactivity to skin tests.
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