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Hydroa vacciniforme is another photodermatosis that most often affects children. It is exceedingly rare. Affected patients tend to have lighter phototypes and it affects male patients slightly more frequently than female patients. There has been a proposed association between hydroa vacciniforme and the Epstein-Barr virus (EBV). Although this is a scarring photodermatosis, the active lesions often resolve by early adulthood.