The role of field irrigation canals in the transmission of Schistosoma mansoni in the Gezira Scheme, Sudan.


This study was carried out to determine the importance of small field irrigation canals (abu eshreens)-of which there are over 22 000 in the Gezira Scheme- in the transmission of schistosomiasis. The observations were made during a 12-month period, November 1976-November 1977. The results indicated that during the 4-year crop rotation the abu eshreens… (More)


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