Humans 3 adult 3 herpes zoster 3 human 3 varicella zoster vaccine Adult 2 Article 2 Herpes Zoster 2 Herpes Zoster Vaccine 2 Middle Aged 2 cohort analysis 2 female 2 major clinical study 2 male 2 middle aged 2 recombinant vaccine 2 vaccination 2 Advisory Committees 1 Aged 1 Canada 1 Canadian 1 Communication 1 Cost-Benefit Analysis 1 Drug Approval 1 Female 1 Food and Drug Administration 1 Immunocompromised Host 1 Incidence 1 Male 1 Markov Chains 1