Microsporidia are obligate intracellular parasites, which can cause complic
ations in immunocompromised individuals. Very little is known about the hos
t immune response generated against these infectious agents. Encephalitozoo
n cuniculi is the best studied microsporidian and the protective immune res
ponse against this parasite is mediated by cytotoxic CD8(+) T cells. (C) 20
01 Editions scientifiques et medicales Elsevier SAS.