Department of Biology,American University of Beirut,Beirut 11072020,Lebanon;
Department of Internal Medicine,American University of Beirut Medical Center,Beirut 11072020,Lebanon;
Department of Surgery,American University of Beirut Medical Center,Beirut 11072020,Lebanon;
Department of Biology and Center for Drug Discovery,American University of Beirut,Beirut 11072020,Lebanon;
Human papillomavirus; Human immunodeficiency virus; Anal cancer; Micro ribonucleic acids; Biomarkers; Cancer screening;