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

Eberhard ML, Thiele EA, Yembo GE, Yibi MS, Cama VA, Ruiz-Tiben E - Am. J. Trop. Med. Hyg. (2015)

Bottom Line: 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.

View Article: PubMed Central - PubMed

Affiliation: Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia; Ethiopia Dracunculiasis Eradication Program, Federal Ministry of Health, Addis Ababa, Ethiopia; South Sudan Guinea Worm Eradication Program, Ministry of Health, Juba, Republic of South Sudan; The Carter Center, Atlanta, Georgia mle1@cdc.gov.

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Map of South Sudan indicating the location of 17 villages or village clusters where 34 cases of human sparganosis were detected during 2013–2014.
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Figure 1: Map of South Sudan indicating the location of 17 villages or village clusters where 34 cases of human sparganosis were detected during 2013–2014.

Mentions: As part of routine, ongoing case detection and containment activities in remaining endemic countries, all suspect cases (and rumors) of dracunculiasis are supposed to be investigated within 24 hours. Any emergent worms are collected and preserved in alcohol and sent to CDC for subsequent examination. Thirty-seven of those specimens, three from Ethiopia and 34 from South Sudan, were microscopically identified as spargana; 36 were collected through the national programs to eliminate GWD and one from a surgical procedure for varicose vein. The three specimens submitted from Ethiopia over that time were out of a total of 21 specimens, and for South Sudan, the 34 spargana were out of a total of 161 submitted samples. The cases ranged from 7 to 70 years of age, with a median age of 25 years. Twenty-one (57%) of the cases were male, 16 were female. For the 34 cases from South Sudan, a map showing the location of those cases is provided (Figure 1Figure 1.


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

Eberhard ML, Thiele EA, Yembo GE, Yibi MS, Cama VA, Ruiz-Tiben E - Am. J. Trop. Med. Hyg. (2015)

Map of South Sudan indicating the location of 17 villages or village clusters where 34 cases of human sparganosis were detected during 2013–2014.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4530760&req=5

Figure 1: Map of South Sudan indicating the location of 17 villages or village clusters where 34 cases of human sparganosis were detected during 2013–2014.
Mentions: As part of routine, ongoing case detection and containment activities in remaining endemic countries, all suspect cases (and rumors) of dracunculiasis are supposed to be investigated within 24 hours. Any emergent worms are collected and preserved in alcohol and sent to CDC for subsequent examination. Thirty-seven of those specimens, three from Ethiopia and 34 from South Sudan, were microscopically identified as spargana; 36 were collected through the national programs to eliminate GWD and one from a surgical procedure for varicose vein. The three specimens submitted from Ethiopia over that time were out of a total of 21 specimens, and for South Sudan, the 34 spargana were out of a total of 161 submitted samples. The cases ranged from 7 to 70 years of age, with a median age of 25 years. Twenty-one (57%) of the cases were male, 16 were female. For the 34 cases from South Sudan, a map showing the location of those cases is provided (Figure 1Figure 1.

Bottom Line: 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.

View Article: PubMed Central - PubMed

Affiliation: Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia; Ethiopia Dracunculiasis Eradication Program, Federal Ministry of Health, Addis Ababa, Ethiopia; South Sudan Guinea Worm Eradication Program, Ministry of Health, Juba, Republic of South Sudan; The Carter Center, Atlanta, Georgia mle1@cdc.gov.

Show MeSH
Related in: MedlinePlus