Thirty-Seven Human Cases of Sparganosis from Ethiopia and South Sudan Caused by Spirometra Spp. 2015

Mark L Eberhard, and Elizabeth A Thiele, and Gole E Yembo, and Makoy S Yibi, and Vitaliano A Cama, and Ernesto Ruiz-Tiben

Thirty-seven unusual specimens, three from Ethiopia and 34 from South Sudan, were submitted since 2012 for further identification by the Ethiopian Dracunculiasis Eradication Program (EDEP) and the South Sudan Guinea Worm Eradication Program (SSGWEP), respectively. Although the majority of specimens emerged from sores or breaks in the skin, there was concern that they did not represent bona fide cases of Dracunculus medinensis and that they needed detailed examination and identification as provided by the World Health Organization Collaborating Center (WHO CC) at Centers for Disease Control and Prevention (CDC). All 37 specimens were identified on microscopic study as larval tapeworms of the spargana type, and DNA sequence analysis of seven confirmed the identification of Spirometra sp. Age of cases ranged between 7 and 70 years (mean 25 years); 21 (57%) patients were male and 16 were female. The presence of spargana in open skin lesions is somewhat atypical, but does confirm the fact that populations living in these remote areas are either ingesting infected copepods in unsafe drinking water or, more likely, eating poorly cooked paratenic hosts harboring the parasite.

UI MeSH Term Description Entries
D007814 Larva Wormlike or grublike stage, following the egg in the life cycle of insects, worms, and other metamorphosing animals. Maggots,Tadpoles,Larvae,Maggot,Tadpole
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004320 Dracunculiasis Infection with nematodes of the genus Dracunculus. One or more worms may be seen at a time, with the legs and feet being the most commonly infected areas. Symptoms include pruritus, nausea, vomiting, diarrhea, or asthmatic attacks. Dracunculosis,Guinea Worm Infection,Guinea Worm Disease,Disease, Guinea Worm,Diseases, Guinea Worm,Dracunculiases,Dracunculoses,Guinea Worm Diseases,Infection, Guinea Worm,Worm Disease, Guinea
D004321 Dracunculus Nematode A genus of nematode parasites which inhabit the body cavity, serous membranes, and connective tissues of vertebrates. The parasitic species in humans is Dracunculus medinensis. Dracunculus medinensis,Guinea Worm,Medina Worm,Dracunculus Nematodes,Dracunculus medinenses,Guinea Worms,Medina Worms,Nematode, Dracunculus,Nematodes, Dracunculus,Worm, Guinea,Worm, Medina,Worms, Guinea,Worms, Medina,medinenses, Dracunculus
D005002 Ethiopia An independent state in eastern Africa. Ethiopia is located in the Horn of Africa and is bordered on the north and northeast by Eritrea, on the east by Djibouti and Somalia, on the south by Kenya, and on the west and southwest by Sudan. Its capital is Addis Ababa. Federal Democratic Republic of Ethiopia
D005260 Female Females
D005506 Food Contamination The presence in food of harmful, unpalatable, or otherwise objectionable foreign substances, e.g. chemicals, microorganisms or diluents, before, during, or after processing or storage. Food Adulteration,Adulteration, Food,Adulterations, Food,Contamination, Food,Contaminations, Food,Food Adulterations,Food Contaminations
D005517 Foodborne Diseases Acute illnesses, usually affecting the GASTROINTESTINAL TRACT, brought on by consuming contaminated food or beverages. Most of these diseases are infectious, caused by a variety of bacteria, viruses, or parasites that can be foodborne. Sometimes the diseases are caused by harmful toxins from the microbes or other chemicals present in the food. Especially in the latter case, the condition is often called food poisoning. Food Poisoning,Food-borne Disease,Food-borne Illness,Foodborne Disease,Foodborne Illness,Food-borne Diseases,Food-borne Illnesses,Foodborne Illnesses,Poisoning, Food,Disease, Food-borne,Disease, Foodborne,Food Poisonings,Food borne Disease,Food borne Diseases,Food borne Illness,Food borne Illnesses,Illness, Food-borne,Illness, Foodborne,Illnesses, Foodborne

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