Maps illustrating changes in social development incidence associated with changes in the distribution of new cases of amebiasis, giardiasis, and other intestinal protozoal infections. A) Percent reduction in population without access to clean water; B) percent reduction in population without access to drainage; C) percent reduction in overcrowded population; D) percent reduction in population living with earthen floors; E) percent reduction in population living in poverty; F) percent reduction in population without access to health services; G) percent reduction in population without access to good nutrition and quality food; and H) percent increase in unemployed population. The color intensity gradient represents the magnitude of the analyzed factor.