PHC 4031 Lecture Notes - Lecture 14: Isospora, Coccidia, Apicomplexa
Document Summary
Apicomplexans 1 (coccidia: phylum apicomplexa (the sporozoa) Conoidasida, subclass coccidiasina: infect the intestinal tracts, liver, kidneys, blood cells, and other tissues of vertebrates and invertebrates, largest group of apicomplexan protozoa, characterized by a thick walled oocyst stage that is typically excreted with the feces. Isospora belli: only infects men, some others infect dogs, least common of the 3 intestinal coccidian that infect humans, infects the epithelial cells of the small intestine, found worldwide, especially in tropical and subtropical areas. Hiv by some other routes: life cycle. In immunodepressed patients, and in infants and children, the diarrhea can be severe: hiv infection, rare disease in humnas, diagnosis. Infections, especially in disease-endemic settings, can be asymptomatic: diagnosis. Incubation period averages 7 days (but can range from 2-10 days: watery diarrhea is the most frequent symptom and can be accompanied by dehydration, weight loss, abdominal pain, fever, nausea, and vomiting.
