| epidemiologic and ultrasonographic study of echinococcosis in a community in the state of mexico. | no epidemiologic study for cystic echinococcosis in méxico has yet been described. the objective of this work was to determine the prevalence and distribution of human echinococcosis in a community of the state of méxico and its probable risk factors. a cross-sectional study was performed; household census was used to randomly select houses. the larval stage of echinococcus was searched by ultrasound in liver, spleen, and kidney. a questionnaire was used for the investigation of risk factors. th ... | 2007 | 17827367 |