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Lymphatic filariasis in western Ethiopia with special emphasis on prevalence of Wuchereria bancrofti antigenaemia in and around onchocerciasis endemic areas
- Source :
- Transactions of the Royal Society of Tropical Medicine & Hygiene; Feb2012, Vol. 106 Issue 2, p117-127, 11p
- Publication Year :
- 2012
-
Abstract
- Summary: Lymphatic filariasis is known to be endemic in Gambella Region, western Ethiopia, but the full extent of its endemicity in other regions is unknown. A national mapping program for Ethiopia was initiated in 2008. This report summarizes initial data on the prevalence of Wuchereria bancrofti antigenaemia based on surveys carried out in a sampled population of 11685 individuals living in 125 villages (112 districts) of western Ethiopia. The overall prevalence rate was 3.7%, but high geographical clustering and variation in prevalence (ranging from 0% to more than 50%) was found. The prevalence of hydrocele (in males) and lymphoedema of limbs was 0.8% and 3.6% respectively. Significantly higher (χ<superscript>2</superscript> =49.6; P <0.01) prevalence of antigenaemia was noted in known onchocerciasis endemic districts (4.7%) compared to non-onchocerciasis endemic districts (2.3%). Thirty-four of the 112 districts, with a population of 1547685 in 2007, were found to be endemic. Of these, the numbers of districts with prevalence rates of >20%, 10–20% and 5–9% were nine, 14 and 20 respectively. Twenty-nine of these 34 endemic districts were found in three regions: Gambella Region (seven districts), Beneshangul-Gumuz Region (13 districts), and Southern Nations, Nationalities and Peoples’ Region (SNNPR) (nine districts). The other five were from Amhara (two districts) and Oromia (three districts) regions. A tentative distribution map has been drawn to facilitate the launching of the Ethiopia LF elimination program. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 00359203
- Volume :
- 106
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- Transactions of the Royal Society of Tropical Medicine & Hygiene
- Publication Type :
- Academic Journal
- Accession number :
- 70261689
- Full Text :
- https://doi.org/10.1016/j.trstmh.2011.10.006