The Prevalence of Trachoma in Tigray Region, Northern Ethiopia: Results of 11 Population-Based Prevalence Surveys Completed as Part of the Global Trachoma Mapping Project.


Sherief, ST; Macleod, C; Gigar, G; Godefay, H; Abraha, A; Dejene, M; Kello, AB; Belete, A; Assefa, Y; Willis, R; Chu, BK; Solomon, AW; (2016) The Prevalence of Trachoma in Tigray Region, Northern Ethiopia: Results of 11 Population-Based Prevalence Surveys Completed as Part of the Global Trachoma Mapping Project. Ophthalmic epidemiology, 23 (sup1). pp. 94-99. ISSN 0928-6586 DOI: https://doi.org/10.1080/09286586.2016.1250917

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Abstract

: We aimed to estimate the prevalence of trachoma in each district ("woreda") of Tigray Region, Ethiopia.<br/> : We conducted 11 cross-sectional community-based surveys in evaluation units covering 34 rural woredas from January to March 2013 using the standardized methodology developed for the Global Trachoma Mapping Project.<br/> : Teams visited 8034 households in 275 villages. A total of 28,581 consenting individuals were examined, 16,163 (56.7%) of whom were female. The region-wide adjusted trichiasis prevalence was 1.7% in those aged 15 years and older. All evaluation units mapped had a trichiasis prevalence over the World Health Organization elimination threshold of 0.2% in people aged 15 years and older. The region-wide adjusted prevalence of the clinical sign trachomatous inflammation - follicular (TF) in children aged 1-9 years was 26.1%. A total 10 evaluation units, covering 31 woredas, with a combined rural population of 4.3 million inhabitants, had a prevalence of TF ≥10%, and require full implementation of the SAFE strategy (surgery, antibiotics, facial cleanliness, and environmental improvement) for at least 3 years before impact surveys are undertaken. Of these, four evaluation units, covering 12 woredas, with a combined rural population of 1.7 million inhabitants, had a TF prevalence ≥30%.<br/> : Both active trachoma and trichiasis are public health problems in Tigray, which needs urgent implementation of the full SAFE strategy.<br/>

Item Type: Article
Faculty and Department: Faculty of Infectious and Tropical Diseases > Dept of Clinical Research
PubMed ID: 27918232
Web of Science ID: 392245000014
URI: http://researchonline.lshtm.ac.uk/id/eprint/4363440

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