Answer: Hand-foot-mouth disease. This common and benign viral disease of childhood is usually caused by the A16 strain of coxsackievirus, although other strains of the same virus have been implicated. It most often occurs in late summer and early fall. The prodrome consists of low-grade fever and malaise.
From: Prose NS, Kristal L. Weinberg's Color Atlas of Pediatric Dermatology, 5e; 2017 Available at: http://accesspediatrics.mhmedical.com/ViewLarge.aspx?figid=138562130 Accessed: February 13, 2018