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