Extended Data Fig. 6: Comparison of tuberculosis index case and social contact group characteristics.
From: Differential rates of Mycobacterium tuberculosis transmission associate with host–pathogen sympatry

a) Dot plot of the index case age (x-axis) versus mean contact group age (y-axis) for each of the included cities; b) Dot plot of the No. of M. tuberculosis infections per contact group (x-axis) and the size of the contact group (y-axis). A linear regression line is overlayed with 95% confidence intervals.