In Reply We appreciate Dr Mayer’s interest in our article as well as his comments highlighting the inherent limitations of a small case series. We reported 2 cases of immunocompetent patients with a history of multiple keratinocyte carcinomas (KCs) and observed a substantial reduction of both squamous cell carcinomas (SCCs) and basal cell carcinomas (BCCs) subsequent to the quadrivalent human papillomavirus (HPV) vaccine.1
Nichols AJ, Kirsner RS, Ioannides T. Human Papillomavirus Vaccination and Keratinocyte Carcinomas—Reply. JAMA Dermatol. 2017;153(9):947–948. doi:10.1001/jamadermatol.2017.1486
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