[Prevalence of Schistosoma mansoni infection in two municipalities of the State of Alagoas, Brazil].

Introduction: Preliminary studies indicate a probable schistosomiasis expansion in Alagoas. This work analyzes the occurrence of Schistosoma mansoni in students from two municipalities, located in the Mundaú and Paraíba rivers basins.

Methods: The study group consisted of 690 students in the urban area, aged between seven and 15 years.