Fig. 2From: Surveillance and response systems for elimination of tropical diseases: summary of a thematic series in Infectious Diseases of Poverty Histogram showing the number of authors per article (a) and the number of countries the contributing authors are affiliated with (b) in a collection of 22 contributions forming a thematic issue of Infectious Diseases of Poverty pertaining to surveillance-response systems that might lead to elimination of tropical diseasesBack to article page