preferred_name: Patient received at least two doses of the herpes zoster recombinant vaccine (at least 28 days apart) anytime on or after the patient's 50th birthday before or during the measurement period
preferred_name_lc: patient received at least two doses of the herpes zoster recombinant vaccine (at least 28 days apart) anytime on or after the patient's 50th birthday before or during the measurement period
label: Pt w 2 hzv on/aft 50
label_lc: pt w 2 hzv on/aft 50