Mem Inst Oswaldo Cruz, Rio de Janeiro, Vol. 106(7): 783, November 2011 - Edição especial - Artigo especial sobre Esquistossomose - Jane Arnt Lenzi, Henrique LenziThis schistosomiasis-specific issue of Memórias do Instituto Oswaldo Cruz consists of 16 articles written by 87 leading scientists from 28 national and international institutions, with an emphasis on recent advances in immunopathology, biochemistry, molecular biology, diagnosis, treatment, epidemiology, malacology and control of this parasitic disease. The great majority of papers published herein were communications or topic addressed at the 12th International Symposium on Schistosomiasis, held in October 2010 in Rio de Janeiro, Brazil, and organized by the Integrated Schistosomiasis Program of the Oswaldo Cruz Foundation (PIDE/Fiocruz). The present schistosomiasis-specific issue is dedicated to the memory of the late Professor Henrique Leonel Lenzi MD, PhD (26 Jun 1943-15 Sep 2011), who made outstanding contributions to PIDE/Fiocruz.