Monthly and age distribution of atypical HFMD. (A) This epidemic of CVA6 started in early spring of 2010. The enrollment of patients peaked in between July and October. (B) Most of the children in the small rash group were younger than 6 year-old. In the bullae group, 78% were children under 5 year of age and 10% were teens.
Huang et al. Virology Journal 2013 10:209 doi:10.1186/1743-422X-10-209