Image (Artwork) of Cryptosporidium. This image is 800 pixels across, the original image is 4000 x 1538 pixels.
Illustration showing the water borne parasite Cryptosporidium parvum in the gut. This parasite causes diarrhoea (diarrhea) which can be extremely severe in people with AIDS where it is considered to be a major opportunistic infection. Infestation with Cryprosporidium is called Cryptosporidiosis.