1.

At which stage of HIV infection does one usually show symptoms of AIDS?

A. When the infecting retrovirus enters host cells
B. When hiv replicates rapidly in helper t-lymphocytes and damages large number of these
C. Within 15 days of sexual contact with an infected person
D. When viral dna is produced by reverse transcriptase
Answer» C. Within 15 days of sexual contact with an infected person


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