Rodrigo Correa-Oliveira, Iramaya Rodrigues Caldas and Giovanni Gazzinelli h
ere focus on the immune response of individuals with natural resistance to
schistosomiasis, which differs significantly from that of post-treatment re
sistant and infected individuals. They suggest that the activation of T hel
per type 1 (Th1) and Th2 cells is needed for the induction of natural resis
tance against Schistosoma mansoni infection.