Publications

is schistosoma mansoni replacing schistosoma haematobium in the fayoum?	schistosoma mansoni is progressively replacing s. haematobium along the nile river in egypt. this change has occurred in the past 15-20 years following construction of the aswan high dam in the 1960s. the cause is a shift in relative abundance of the snail vectors biomphalaria alexandrina and bulinus truncatus. biomphalaria is increasing while the latter has disappeared from a village in the fayoum where formerly only schistosomiasis haematobia was endemic. a cross-sectional household survey in ...	1993	8279637
invasion of the nile valley in egypt by a hybrid of biomphalaria glabrata and biomphalaria alexandrina, snail vectors of schistosoma mansoni.	two years (1996-1997) of systematic survey showed that a hybrid of biomphalaria glabrata and biomphalaria alexandrina has invaded the irrigation and drainage systems in the nile delta and the valley nor the of el-menya. however, the infestation of water courses by and the population density of this snail were variable in various localities. the infestation rate ranged between 7.1% in el-fayoum governorate and 52.6% in el-dakahliya governorate and the snail density from 2 snails/site to 69.7 snai ...	1998	9707685
spot light survey on fresh-water snails of medical importance in al fayoum governorate, egypt.	in a survey carried out during summer and autumn of 2004, for snails of medical importance, nine species were recovered. these were biomphalaria alexandrina, b. glabrata, b. pfeifferi, bulinus truncatus, b. forskalii, lymnaea natalensis, bellamya (=vivipara) unicolor, physa acuta and hydrobia musaensis. parasitological examination revealed that b. alexandrina, b. glabrata and l. natalensis harboured immature stages of their concerned trematode parasites. moreover, p. acuta harboured the immature ...	2005	15880994