bacterium, parasite, trypanosomes, plasmodium, pathogen, helminths, mycobacterium, viruses, mycobacterium tuberculosis, retrovirus, poxvirus, microbe, organism, microorganisms, enzyme, trypanosome, antibodies, roundworms, schistosoma, poliovirus, rhinoviruses, herpes virus, staphylococci, bacterial toxin, phage, pneumococcus, bacterial, urease, mutation, parainfluenza virus, mycobacteria, falciparum, proteins, adenovirus, human immunodeficiency virus, l. monocytogenes, proteases, prions, whipworm, pathogenic, chlamydial, spirochete, malaria, parasitoid, granulocytes, protozoan, pneumocystis, genus plasmodium, bacilli, lassa virus, pestis, anopheles, reverse transcriptase, flavivirus, fungus, arenavirus, merozoites, genetic mutation, paramyxoviruses, arginase, reinfection, lentiviruses, oocyst, borrelia, borrelia burgdorferi, suppressor gene, parasitic worm, sleeping sickness, bacteriophage, plasminogen, meningococcus, glycoproteins, lectin, tubercle bacillus, francisella tularensis, antimalarial drug, gene, rotavirus, molecule, toxoplasma, phagocytes, herpes simplex virus, phagocytosis, metabolic pathway, nematodes, neuraminidase, alphavirus, sporozoite, enterotoxin, cytomegalovirus, disease, herpesviruses, heterologous, larva, nematode worm, lysozyme, green alga, innate immunity, antigens, outcrossing, thymosin, heme

sporozoan

plasmodium, plasmodium vivax