Fig. 7

Age distribution of the intensity of infection for studies that measured intensity in eggs per gram (epg), by decade the study was conducted in. a = Ascaris lumbricoides, (b) = Trichuris trichiura, (c) = Hookworm. Orange = 1950–1959, Red = 1970–1979, Green = 1980–1989, Purple = 1990–1999, Blue = 2000–2009. There were no studies from 1960–1969 or 2010-present