title: Varicella-Zoster virus does not become more resistant to acyclovir during therapy.
mesh_terms: D000212:Acyclovir / Q000008:administration & dosage / Q000627:therapeutic use*; D000284:Administration, Oral; D004352:Drug Resistance, Microbial; D006562:Herpes Zoster / Q000188:drug therapy*; D014645:Herpesvirus 3, Human / Q000187:drug effects*; D006801:Humans; D066298:In Vitro Techniques; D007275:Injections, Intravenous; D013997:Time Factors
chemical_list: D000212:Acyclovir