Evidence that the nematode Nippostrongylus brasiliensis can adapt to and overcome the effects of host immunity.
D000723:Ancylostomatoidea / Q000276:immunology / Q000502:physiology; D000818:Animals; D005243:Feces; D005260:Female; D006725:Hookworm Infections / Q000276:immunology*; D007110:Immunity, Active; D007279:Injections, Subcutaneous; D008297:Male; D010270:Parasite Egg Count; D051381:Rats; D013997:Time Factors