A) During production of viral DNA by reverse transcriptase
B) During HIV replication in helper T-cells, thus lowering the immune capacity of patient
C) After 2 weeks of sexual contact with an infected patient
D) When retro viral DNA starts using host machinery for its propagation
Correct Answer: B
Solution :
HIV primarily affects the helper T-cells and use them as multiplicative centre for increasing its number. As soon as T-helper cells are affected, the symptoms of AIDS infection starts appearing. Decreased immune agility makes the individual vulnerable to most minor of infections.
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