<prompt> Acyclovir is used in -Herpes keratitisCMV retinitisHepatitisCHepatitis B  <response>: Ans. is a i.e., Herpes keratitisAntiviral DrugIts UseAcyclovirHerpes Simplex Virus Varicella Zoster VimsGanciclovirCMV and HS VFoscamet i.v.CMVOseltamivir oralInfluenza A influenza BRibavirinChronic HCV with IFN-?LamivudineHIV. Chronic HBVEntecavirHBV resistant to lamivudine 