Fig. 4

The incidence of bacillary dysentery in different age groups in Beijing, Tianjin and Hebei (left) and spatial distribution of bacillary dysentery incidence for ages 0–14 and over 60 (right). a The incidence of different age group in different countries or cities. b The geographical distribution of bacillary dysentery incidence on 0-14 ages. c The geographical distribution of bacillary dysentery incidence on above 60