2009
DOI: 10.1128/cmr.00033-08
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Update on the Human Broad Tapeworm (GenusDiphyllobothrium), Including Clinical Relevance

Abstract: SUMMARYTapeworms (Cestoda) continue to be an important cause of morbidity in humans worldwide. Diphyllobothriosis, a human disease caused by tapeworms of the genusDiphyllobothrium, is the most important fish-borne zoonosis caused by a cestode parasite. Up to 20 million humans are estimated to be infected worldwide. Besides humans, definitive hosts ofDiphyllobothriuminclude piscivorous birds and mammals, which represent a significant zoonotic reservoir. The second intermediate hosts include both freshwater and … Show more

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Cited by 250 publications
(239 citation statements)
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“…This reflects coastal wolves' dietary shift of up to 70% Pacific salmon in the fall. Sequences from Diphyllobothrium eggs matched D. nihonkaiense, a species that infects salmonids (O. gorbuscha and O. keta) commonly available to coastal wolves (Scholz et al 2009). Notably, we found no evidence of the trematode Nanophyetus salmincola that carries the causative agent of salmon poisoning disease in canids, Neorickettsia helminthoeca (Foreyt, 2001a).…”
Section: Ecology and Diversity Of Parasites Detected In Wolf Fecesmentioning
confidence: 91%
“…This reflects coastal wolves' dietary shift of up to 70% Pacific salmon in the fall. Sequences from Diphyllobothrium eggs matched D. nihonkaiense, a species that infects salmonids (O. gorbuscha and O. keta) commonly available to coastal wolves (Scholz et al 2009). Notably, we found no evidence of the trematode Nanophyetus salmincola that carries the causative agent of salmon poisoning disease in canids, Neorickettsia helminthoeca (Foreyt, 2001a).…”
Section: Ecology and Diversity Of Parasites Detected In Wolf Fecesmentioning
confidence: 91%
“…One of its more conspicuous clinical manifestations in humans is megaloblastic anemia, which is caused by the parasite intake of vitamin B12 or folic acid within the host. [1][2][3][4] Clinically evident megaloblastic anemia is found in 2-3% of persons harboring a D. latum tapeworm, and 50% of D. latum carriers have low levels of serum vitamin B12 levels ( 100 pg/mL compared with 350-450 pg/mL in noninfected persons). 13 In Pacific coast regions of South America, diphyllobothriasis is usually caused by D. pacificum, which is a shorter tapeworm (approximately 1 meter in length), but can have a length of 4 meters on rare occasions.…”
Section: Discussionmentioning
confidence: 99%
“…13 In these cases, oral or parenteral vitamin B12 administration after parasite expulsion brings levels back to reference range. 13 Diphyllobothrium pacificum infection (Nybellin 1931, Margolis 1956 15 is endemic to the Pacific coasts of South America and southern Asia, 1,6 and is the only type of diphyllobothriasis described in Peru to date. It was present before the European colonization, as demonstrated by the finding of characteristic eggs in pre-Hispanic mummies.…”
Section: -13mentioning
confidence: 99%
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