This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Treatment of Herpes zoster - 
Select and explain. 
A. Zidovudin, B. Ganciclovir, C. Ribavarin, D. Nevirapine
B: Ganciclovir
Answer: B: Ganciclovir 
Explanation: Ganviclovir and foscarnet have been found to be effective in herpes zoster REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.474