<prompt> Primary Receptor for Human Immunodeficiency Virus HIV is:CD4CD8CD3CD56  <response>: HIV targets cells that express CD4, and can infect macrophages, dendritic cells both groups express CD4 at low levels and CD4 T cells. Ref: Andrew E. Williams, Immunology of Urogenital Tract and Conjunctiva, In the book, Immunology: Mucosal and Body Surface Defences, USA, Wiley Blackwell Publications, Chapter 9.1; Harrisons Principles of Internal Medicine, 17th Edition, Pages 1139, 1157; Textbook of Microbiology By Ananthnaraynan, 7th Edition, Page 586 