Figure 1

A 2-year-5-month-old boy experienced prominent skin eruptions and vesicles on his buttocks (a). A 2-year-6-month-old boy had fingernail abnormalities 3 weeks after hand, foot, and mouth disease (b). Another 4-year-old boy presented with desquamation on his feet 1 week after the CA6 infection episode (c); he developed nail shedding on his right index finger in the following weeks (d) and recovered gradually.