The Immune System Attacks and Protects Against
- Pathogens
- Pathogenic bacteria
- Viruses
- Fungi
- Protozoa
- Balantidium coli – the only ciliated protozoan to infect humans.
- Giardia lamblia – the most common intestinal protozoan in the United States.
- Trichomonas vaginalis
- Naegleria fowleri – facultative parasite causing amoebic meningitis
- Entamoeba histolytica – causes Amebiasis, common in developing countries
- Kinetoplastid protists of the Trypanosoma and Leishmania genera (sleeping sickness, Chagas disease and leishmania)
- Apicomplexan parasites including "Plasmodium" (malaria), "Toxoplasma" (toxoplasmosis), and "Cryptosporidia" (cryptosporidiosis)
- Parasites
- Tumors
- Allergens
- Self-proteins
Read more about this topic: Outline Of Immunology
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