IL10 and schistosomiasis: According McManus and Loukan (2008), IL10 is of fundamental importance in the generation of the conditions for the host protective homeostatic functions in schistosomiasis (Hoffmann et al., 2000) and the CD4CD25 T cells have been identified as the main source of IL-10 in mice infected by Schistosoma mansoni (Hesse et al., 2001).