title: STDs as cofactors for the acquisition of HIV infection.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome; D001695:Biology; D003906:Developing Countries; D004194:Disease; D015658:HIV Infections; D007239:Infections; D012307:Risk Factors; D012749:Sexually Transmitted Diseases; D014777:Virus Diseases
keywords: Acquired Immunodeficiency Syndrome; Biology; Developing Countries; Diseases; Hiv Infections--prevention and control; Hiv Infections--transmission; Infections; Reproductive Tract Infections; Risk Factors; Sexually Transmitted Diseases--prevention and control; Viral Diseases