Schistosomiasis in Omo National Park of Southwest Ethiopia

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  • Institute of Pathobiology, Addis Ababa University, Addis Ababa, Ethiopia

Schistosomiasis mansoni infection was found in more than 50 tourists who had visited Omo National Park, Ethiopia, and bathed and swum in the Mui River. A survey revealed Schistosoma mansoni infection in 41% of Park residents and in 33% of the neighboring Suri people. Eggs were found in stools and adult worms at autopsy of wild Papio anubis and Cercopithecus aethiops. Trematode larvae were found in 27% of Biomphalaria pfeifferi snails found in the Mui River. The source of the disease and the implications of its spread with the future development of the Omo Valley are discussed.

Author Notes

Present address: 4091 Lincoln Avenue, Oakland, California 94602.

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