title: Sexual transmission of hepatitis A in homosexual men.
mesh_terms: D006506:Hepatitis A / Q000635:transmission*; D006561:Herpes Simplex / Q000276:immunology; D006716:Homosexuality; D006801:Humans; D007372:Interferons / Q000096:biosynthesis; D008297:Male; D012725:Sexual Behavior
chemical_list: D007372:Interferons