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Acute schistosomiasis in European students returning from fieldwork at Lake Tanganyika, Tanzania.
J Travel Med. 2013 Nov-Dec; 20(6):380-3.JT

Abstract

BACKGROUND

Schistosomiasis is common in many African regions and poses a risk for travelers and the local population. So far, schistosomiasis in travelers or expatriates returning from the Tanzanian bank of Lake Tanganyika has not been reported.

METHODS

We report a group of students who sought treatment with signs of acute schistosomiasis after having returned from Lake Tanganyika, Tanzania. Information as to travel and exposure as well as clinical and laboratory data were collected.

RESULTS

Schistosomiasis was diagnosed in 8 of 16 students from Berlin, Germany, who had returned from a 2- to 3-month stay of fieldwork in Kigoma District at Lake Tanganyika, Tanzania. All 16 students reported frequent freshwater exposure at the lake. Six patients showed signs of acute schistosomiasis and had fever, and some of them also had cough, weakness, headache, or abdominal pain. Eosinophilia was present in five of the six symptomatic individuals. Notably, two serologically enzyme-linked immunosorbent assay (ELISA)-positive individuals did not report or present with symptoms or abnormal laboratory parameters. Schistosoma mansoni eggs were found in one symptomatic and one asymptomatic individual each. Blood and stool samples from the other eight individuals who were equally exposed to freshwater yielded negative results.

CONCLUSIONS

This is the first report of an outbreak of acute schistosomiasis imported from the Tanzanian shore of Lake Tanganyika and highlights the risk for travelers and the local population of acquiring the infection in that part of Tanzania. It provides arguments for routine serological screening for schistosomiasis in individuals who had prior freshwater contact in endemic areas, irrespective of symptoms or other laboratory findings.

Authors+Show Affiliations

Institute of Tropical Medicine and International Health, Charité-Universitätsmedizin Berlin, Berlin, Germany.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

24112100

Citation

Steiner, Florian, et al. "Acute Schistosomiasis in European Students Returning From Fieldwork at Lake Tanganyika, Tanzania." Journal of Travel Medicine, vol. 20, no. 6, 2013, pp. 380-3.
Steiner F, Ignatius R, Friedrich-Jaenicke B, et al. Acute schistosomiasis in European students returning from fieldwork at Lake Tanganyika, Tanzania. J Travel Med. 2013;20(6):380-3.
Steiner, F., Ignatius, R., Friedrich-Jaenicke, B., Dieckmann, S., Harms, G., Poppert, S., & Mockenhaupt, F. P. (2013). Acute schistosomiasis in European students returning from fieldwork at Lake Tanganyika, Tanzania. Journal of Travel Medicine, 20(6), 380-3. https://doi.org/10.1111/jtm.12069
Steiner F, et al. Acute Schistosomiasis in European Students Returning From Fieldwork at Lake Tanganyika, Tanzania. J Travel Med. 2013 Nov-Dec;20(6):380-3. PubMed PMID: 24112100.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Acute schistosomiasis in European students returning from fieldwork at Lake Tanganyika, Tanzania. AU - Steiner,Florian, AU - Ignatius,Ralf, AU - Friedrich-Jaenicke,Barbara, AU - Dieckmann,Sebastian, AU - Harms,Gundel, AU - Poppert,Sven, AU - Mockenhaupt,Frank P, Y1 - 2013/09/22/ PY - 2013/05/26/received PY - 2013/08/05/revised PY - 2013/08/08/accepted PY - 2013/10/12/entrez PY - 2013/10/12/pubmed PY - 2014/7/16/medline SP - 380 EP - 3 JF - Journal of travel medicine JO - J Travel Med VL - 20 IS - 6 N2 - BACKGROUND: Schistosomiasis is common in many African regions and poses a risk for travelers and the local population. So far, schistosomiasis in travelers or expatriates returning from the Tanzanian bank of Lake Tanganyika has not been reported. METHODS: We report a group of students who sought treatment with signs of acute schistosomiasis after having returned from Lake Tanganyika, Tanzania. Information as to travel and exposure as well as clinical and laboratory data were collected. RESULTS: Schistosomiasis was diagnosed in 8 of 16 students from Berlin, Germany, who had returned from a 2- to 3-month stay of fieldwork in Kigoma District at Lake Tanganyika, Tanzania. All 16 students reported frequent freshwater exposure at the lake. Six patients showed signs of acute schistosomiasis and had fever, and some of them also had cough, weakness, headache, or abdominal pain. Eosinophilia was present in five of the six symptomatic individuals. Notably, two serologically enzyme-linked immunosorbent assay (ELISA)-positive individuals did not report or present with symptoms or abnormal laboratory parameters. Schistosoma mansoni eggs were found in one symptomatic and one asymptomatic individual each. Blood and stool samples from the other eight individuals who were equally exposed to freshwater yielded negative results. CONCLUSIONS: This is the first report of an outbreak of acute schistosomiasis imported from the Tanzanian shore of Lake Tanganyika and highlights the risk for travelers and the local population of acquiring the infection in that part of Tanzania. It provides arguments for routine serological screening for schistosomiasis in individuals who had prior freshwater contact in endemic areas, irrespective of symptoms or other laboratory findings. SN - 1708-8305 UR - https://www.unboundmedicine.com/medline/citation/24112100/Acute_schistosomiasis_in_European_students_returning_from_fieldwork_at_Lake_Tanganyika_Tanzania_ L2 - https://academic.oup.com/jtm/article-lookup/doi/10.1111/jtm.12069 DB - PRIME DP - Unbound Medicine ER -