is_manufactured_by has function has role immunizes against disease immunizes recipient immunizes against pathogen herpes zoster Human alphaherpesvirus 3 Homo sapiens Zostavax vaccine FDA licensed vaccine role preventive vaccine function live attenuated vaccine role Zostavax (Frozen) vaccine Zoster Vaccine, Live, (Oka/Merck) For prevention of herpes zoster (shingles) in individuals 50 years of age and older. Zostavax 125123 vaccine https://www.fda.gov/media/119879/download?attachment Xingxian Li Jie Zheng vaccine monovalent role Merck & Co., Inc.