HIV infects most commonly -: (A) CD4+helper cells, (B) CD8+cells, (C) Macrophage, (D) Neutrophil
Answer is A. The primary oathigenic mechanism in HIV infection is the damage caused to the CD4+T lymphocyte. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:574