A Study of Schistosomiasis Prevalence and Risk of Snail Presence Spatial Distributions Using Geo-Statistical Tools

Schistosomiasis mansoni is an endemic disease, typical of developing countries. In Brazil, schistosomiasis is caused by the etiological agent Schistosoma mansoni, whose intermediate hosts are species of mollusc of the Biomphalaria genus. It is a fact, accepted by almost all the researchers, that S. mansoni was introduced in Brazil b