2013 — The medical journal Cornea describes a case in which a 63-year-old man experienced a reactivation of his keratitis after having the Zostavax vaccine.
Center for Biologics Evaluation and Research. “Approved Products – Zostavax.” Internet Archive Wayback Machine, Center for Biologics Evaluation and Research, wayback.archive-it.org/7993/20170722150959/https:/www.fda.gov/BiologicsBloodVaccines/Vaccines/ApprovedProducts/ucm136941.htm.
Hwang, Charles W, et al. “Reactivation of Herpes Zoster Keratitis in an Adult After Varicella Zoster Vaccination.” Cornea, U.S. National Library of Medicine, Apr. 2013, www.ncbi.nlm.nih.gov/pubmed/23187165.