HIV affects -: (A) Only T helper cells, (B) T helper and macrophages, (C) NK cells, (D) B-lymphocytes
Answer is B. Receptor for the virus is CD4 antigen and affect the cells with this receptor like CD4 T cell, macrophages, monocytes. REF:Textbook of microbiology, Ananthanarayan and Paniker. Page no.: 574