title: After a person has built resistance to a drug and then goes on other drugs for a while, is it possible that the virus loses its resistance to the first drug after not being in their system for awhile, or will the virus be resistant to that drug for the rest of his/her life?
authors.forename: J E
authors.initials: JE
authors.lastname: Gallant
mesh_terms: D019380:Anti-HIV Agents / Q000494:pharmacology / Q000627:therapeutic use*; D004352:Drug Resistance, Microbial; D006678:HIV / Q000187:drug effects; D015658:HIV Infections / Q000188:drug therapy* / Q000821:virology; D006801:Humans
chemical_list: D019380:Anti-HIV Agents