herpes zoster(3) Economic evaluation(3) social cost(3) productivity loss(3) decision model(3) Fiscal impact(3) prevention.(3) Vaccination strategy.(3) real-world data(1) Technology assessment.(1) COVID-19(1) data(1) South Asia.(1) Rationing.(1) evidence generation(1) LMIC(1) pandemic(1) biomedical(1) Patient–public involvement/engagement (PPI/E)(1) Critical-care resources(1) Healthcare policy(1) Health technology assessment(1) Priority setting(1)