A Study on the Immune Response and Safety of a Vaccine Against Herpes Zoster in Adults Aged 50 Years and Older in India

Inclusion Criteria: * Participants and/or participant's legally acceptable representative(s) (LAR) who in the opinion of the investigator, can and will comply with the requirements of the protocol. * Written or witnessed/thumb printed informed consent obtained from the participant and/or participant's LAR(s) after the study has been explained according to local regulatory requirements and prior to performance of any study-specific procedure. * A male or female aged 50 YOA or older at the time of the first study intervention. * Healthy participants or medically stable patients as established by medical history and clinical examination before entering into the study. * Female participants of non-childbearing potential may be enrolled in the study. * Female participants of childbearing potential may be enrolled in the study, if the participant: * has practiced adequate contraception for 1 month prior to study intervention administration, and * has a negative pregnancy test on the day of study intervention administration, and * has agreed to continue adequate contraception during the entire treatment period and for 2 months after completion of the study intervention administration series. Exclusion Criteria: Medical conditions * Any other clinical condition that, in the opinion of the investigator, might pose additional risk to the participant due to participation in the study. * History of any reaction or hypersensitivity likely to be exacerbated by any component of t…