Fig. 2.

Trends in newly diagnosed pulmonary tuberculosis cases and adequate contact rate over time. Legend: a Distribution of newly diagnosed pulmonary tuberculosis cases over time. b Distribution of the adequate contact rate over time under three distribution hypotheses. The solid black line represents the mean per month, and the blue area represents the 95% PI, which is measured by the ordinate on the left; the blue line measured by the ordinate on the right represents the mean per year