title: Comparison of tick and blood challenge for assessing immunity to Babesia bovis.
mesh_terms: D000818:Animals; D001096:Arachnid Vectors; D001403:Babesia / Q000276:immunology*; D001404:Babesiosis / Q000276:immunology* / Q000635:transmission; D002417:Cattle; D002418:Cattle Diseases / Q000276:immunology* / Q000635:transmission; D017707:Erythrocyte Transfusion; D004912:Erythrocytes / Q000382:microbiology; D013987:Ticks; D014611:Vaccination / Q000662:veterinary*