A 10-year-old male vaccinated against varicella had developed left-sided rashes on his thoracic region in single dermatomal distribution, which is consistent with herpes zoster. Although herpes zoster is uncommon in children, especially with the current vaccination regimen, this case report serves as a reminder to consider it in one's differential diagnoses, even in the immunocompetent, fully immunized pediatric patient. This is a case report of a previously healthy, fully vaccinated child who developed herpes zoster., Competing Interests: Conflicts of Interest: By the CPC-EM article submission agreement, all authors are required to disclose all affiliations, funding sources and financial or management relationships that could be perceived as potential sources of bias. The authors disclosed none., (Copyright: © 2020 Quesada et al.)