A 78-year-old woman presents with a painful, blistering rash in a dermatomal distribution over her right chest (T5 dermatome). She describes the pain as burning. What is the most appropriate antiviral treatment according to NICE CKS?AAciclovir 800mg five times daily for 7 daysBValaciclovir 1g three times daily for 7 daysCFamciclovir 500mg three times daily for 7 daysDNo antiviral treatment is necessaryETopical aciclovir creamCheck my answer