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Flow diagram of inclusion and exclusion criteria for study cohort
OLDW = OptumLabs Data Warehouse; ICD = International Classification of Disease; HZ = Herpes zoster; HZO = Herpes Zoster Ophthalmicus; RZV = Recombinant Zoster Vaccine
a Index date was defined as the date at which an individual was eligible for study inclusion.
b Two valid doses of recombinant zoster vaccine were defined as receiving the second dose between 30 and 210 days after the first dose.
