Effect of multiple sporozoite challenges on immunity to malaria.
D000818:Animals; D007109:Immunity; D007114:Immunization; D008288:Malaria / Q000276:immunology / Q000517:prevention & control*; D051379:Mice; D008815:Mice, Inbred Strains; D010962:Plasmodium berghei / Q000276:immunology*