Hyperinfection Syndrome in Strongyloidiasis

ParasiteS. stercoralis has free-living and parasitic life cycles, and the morphology of each differs.Parasitic worms are female adults that reproduce by parthenogenesis and measure approximately 1 -10 mm in length by 27 -95 μm in width.Free-living adults are www.intechopen.comCurrent Topics in Tropical Medicine 378 approximately 1 mm, live in the soil, and reproduce sexually; females are slightly larger than males (Speare, 1989).Embryonated eggs are thin-shelled and measure approximately 55 -60 μm in length and 28 -32 μm in width.Rhabditiform larvae are the first-stage larvae (210 μm) and develop into free-living larvae or third-stage infective larvae that measure approximately 490-630 μm and are capable of infecting the host (Schad, 1989).