Which are the most common viruses that cause papular acrodermatitis of childhood?

Although originally described in association with infections with the hepatitis B virus, in the United States, it is most commonly associated with EBV infection. Less common causes include CMV, various coxsackieviruses (A16, B4, B5), adenoviruses parvovirus B19, human herpes virus–6, and even viral vaccinations.

Chuh AA, Chan HH, Chiu SS, et al: A prospective case control study of the association of Gianotti-Crosti syndrome with human herpesvirus 6 and human herpesvirus 7 infections, Pediatr Dermatol 19:492–497, 2002.