Visceral leishmaniasis in Aba-Roba, south-western Ethiopia: prevalence and incidence of active and subclinical infections

Between August 1997 and February 2005, a prospective study of human visceral leishmaniasis (VL) was undertaken in two villages in the Konso district of south-western Ethiopia, to provide epidemiological indices of subclinical infection and active VL. Six cross-sectional surveys at 6-month intervals...

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Veröffentlicht in:Annals of allergy, asthma, & immunology asthma, & immunology, 2009-12, Vol.103 (8), p.659-670
Hauptverfasser: Hailu, A., Gramiccia, M., Kager, P. A.
Format: Artikel
Sprache:eng
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Zusammenfassung:Between August 1997 and February 2005, a prospective study of human visceral leishmaniasis (VL) was undertaken in two villages in the Konso district of south-western Ethiopia, to provide epidemiological indices of subclinical infection and active VL. Six cross-sectional surveys at 6-month intervals (ending in August 2000) were complemented by a single survey in February 2005. The prevalences and incidences of leishmanial infection and active VL, which were determined using leishmanin skin tests (LST), direct agglutination tests (DAT) and parasitological diagnosis, varied spatio-temporally and by age and gender. At baseline, when 1339 individuals were investigated, the overall prevalences of LST positivity, DAT positivity and active VL among the 1232 subjects who had not been treated previously were 30.0%, 5.4% and 0.49%, respectively. During the study,
ISSN:0003-4983
1081-1206
1364-8594
DOI:10.1179/000349809X12554106963555