PHN: postherpetic neuralgia. * Per 1000 person-years. ¶ Defined as ≥30 days of pain.
Harpaz R, Ortega-Sanchez IR, Seward JF. Prevention of Herpes Zoster: Recommendations of the Advisory Committee on Immunization Practices (ACIP). MMWR Recomm Rep 2008; 57:1.