Cross-Sectional Serological Survey of Human Fascioliasis in Canutama Municipality in Western Amazon, Brazil

Abstract

A total of 434 human samples were included in the study, of which 36 (8.3%) were reactive by ELISA and 8 (1.8%) were reactive by WB. <i>Fasciola hepatica</i> eggs were found in one human sample. The occurrence of the intermediated host was recorded and 31/43 specimens were identified as <i>Lymnaea columella. Conclusion.</i> Canutama constitutes a focus of transmission of human fascioliasis. This study describes the first serological survey for human fascioliasis, as well as its simultaneous occurrence in human hosts and possible intermediates performed in northern Brazil.