Figure 1.

The geographical distribution in the Republic of Peru of the six study sites is shown. The insert reports a magnification of the province of Lima, capital of Peru, where 3 study sites are present. Site locations (stars) are coloured according to the observed TB prevalence (as indicated in the “prevalence” colour array, see also Table 1). Official incidence of TB in various administrative Departments of Peru is reported by colour gradient (as indicated in the “incidence” colour array), as for the official report of the Ministry of Health of Peru for 2015 (published on February 2016) elaborated on 2014 data. TB, tuberculosis.