ANDRZEJ DUDZINSKI / SCIENCE PHOTO LIBRARY ANDRZEJ DUDZINSKI / SCIENCE PHOTO LIBRARY
Giardiasis: the title of an illustration by the artist Andrzej Dudzinski. Giardiasis is a disease caused by the presence of the parasitic protozoan Giardia lamblia in the small intestine. Symptoms include diarrhoea, nausea, bellyache, flatulence and the passage of pale, fatty stools. Humans become infected by consuming food or water contaminated with cysts containing the parasite.
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