The gut protozoans Giardia duodenalis and various species of Cryptosporidium are extremely contagious single-celled parasites liable to cause digestive disease in both humans and animals. Some species and genotypes of Cryptosporidium and Giardia are important zooneses, as they occur in both animals and humans. Zooneses are diseases that may be transmitted between animals and people.
Inger Sofie Hamnes showed in her doctorate that parasites of the groups Cryptosporidium and Giardia are extremely widespread in domestic animals, wild deer species and the red fox in Norway. Genotyping of Giardia isolated from elk, wild reindeer and red foxes showed that Giardia duodenalis in these animals may potentially infect humans.
Hamnes studied the occurrence of Cryptosporidium and Giardia in calves, dogs, wild deer species (elk, wild reindeer, red deer, roe deer and Svalbard reindeer), piglets and red fox in Norway, by analysis of scats. Read full story..
source: science daily
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