A) When viral DNA is produced by reverse transcriptase
B) When HIV replicates rapidly in helper T-lymphocytes and damages large number of these
C) With 15 days of sexual contact with an infected person
D) When the infecting retrovirus enters host cells
Correct Answer: C
Solution :
HIV enters into T-lymphocytes replicates and produces progeny viruses. The progeny viruses released in the blood other helper T-lymphocytes. This is repeated leading to a progressive decrease in the number of T-lymphocytes in the body of the infected person. During this period, the person suffers from bouts of fever, diarrhoea and weight loss. The person starts suffering from infections.
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