Waterborne Toxoplasmosis, Brazil, from Field to Gene
Lenildo de Moura*1, Lilian Maria Garcia Bahia-Oliveira†1, Marcelo Y. Wada*, Jeffrey L. Jones‡, Suely H. Tuboi*, Eduardo H. Carmo*, Walter Massa Ramalho*, Natal J. Camargo§, Ronaldo Trevisan§, Regina M.T. Graça¶, Alexandre J. da Silva‡, Iaci Moura‡, J.P. Dubey#, and Denise O. Garrett**
Author affiliations: *Ministério de Saúde, Brasília, Brasil; †Universidade Estadual do Norte Fluminense Darcy Ribeiro, Rio de Janeiro, Brazil; ‡Centers for Disease Control and Prevention, Atlanta, Georgia, USA; §Secretaria de Saúde do Estado do Paraná, Curitiba, Brazil; ¶Laboratório Central de Saúde Pública, Curitiba, Brazil; #United States Department of Agriculture, Beltsville, Maryland; **Centers for Disease Control and Prevention Foundation, Atlanta, Georgia, USA
Figure 2. Spatial distribution in km2 of the 176 cases that met the case definition. The number of cases is higher in the central area than in the periphery. The reservoir tanks served 2 different parts of the city as depicted by the letters A and B. Water samples from reservoir B, which was considered not implicated in the outbreak, were not investigated; during the water sample collection period (January 9–18), there were no identified household tanks served by reservoir B that had stored water that had been distributed during the outbreak peak.
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