Figure 1

Monthly isolates and total positive rate of virus causing HFMD during 2012, Beijing, China*. *During 2012, a total of 3,186 samples were collected from the first five patients with mild, probable disease who visited hospital outpatient departments every week in each of the 16 districts in Beijing, and from all severe cases and deaths. 1,714 (53.8%) isolates were positive. For children aged less than two years, 52.7% (290/550) of the collected samples were positive. For those aged between two and four years, the positive rate was relatively higher, being 54.0% (1,424/2,636).