A) Within 15 days of sexual contact with an infected person
B) When the infected retro virus enters host cells
C) When HIV damages large number of helper T-Lymphocytes
D) When the viral DNA is produced by reverse transcriptase
Correct Answer: C
Solution :
AIDS symptoms appear in the most advanced stage of HIV disease. Some people shows HIV symptom shortly but it usually take more than 10 years HIV attacks T-helper cells which regulate both hormonal and cellular immunity). This causes their depletion due to which patients immune system becomes very weak.
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