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Prevalence of trachoma in the Kayes region of Mali eight years after stopping mass drug administration
Journal article   Open access   Peer reviewed

Prevalence of trachoma in the Kayes region of Mali eight years after stopping mass drug administration

Lamine Traore, Benoit Dembele, Modibo Keita, Steven D. Reid, Mahamadou Dembele, Brehima Mariko, Famolo Coulibaly, Whitney Goldman, Dramane Traore, Daouda Coulibaly, …
PLoS neglected tropical diseases, v 12(2), pp e0006289-e0006289
12 Feb 2018
PMID: 29432434
url
https://doi.org/10.1371/journal.pntd.0006289View
Published, Version of Record (VoR)Open Access (License Unspecified) Open

Abstract

Infectious Diseases Life Sciences & Biomedicine Parasitology Science & Technology Tropical Medicine
Background In 2009, three years after stopping mass treatment with azithromycin, a trachoma impact survey in four health districts in the Kayes region of Mali found a prevalence of trachomatous inflammation-follicular (TF) among children aged 1 to 9 years of >5% and a trachomatous trichiasis (TT) prevalence within the general population (>= 1-year-old) of <1%. As a result, the government's national trachoma program expanded trichiasis surgery and related activities required to achieve trachoma elimination. Methodology/Principal findings In 2015, to assess progress towards elimination, a follow-up impact survey was conducted in the Kayes, Kenieba, Nioro and Yelimane health districts. The survey used district level two-stage cluster random sampling methodology with 20 clusters of 30 households in each evaluation unit. Subjects were eligible for examination if they were >= 1 year. TF and TT cases were identified and confirmed by experienced ophthalmologists. In total 14,159 people were enumerated and 11,620 (82%) were examined. TF prevalence (95% confidence interval (CI)) was 0.5% (0.3-1%) in Kayes, 0.8% (0.4-1.7%) in Kenieba, 0.2% (0-0.9%) in Nioro and 0.3% (0.1-1%) in Yelimane. TT prevalence (95% CI) was 0.04% (0-0.25%) in Kayes, 0.29% (0.11-0.6%) in Kenieba, 0.04% (0-0.25%) in Nioro and 0.07% (0-0.27%) in Yelimane. Conclusions/Significance Eight years after stopping MDA and intensifying trichiasis surgery outreach campaigns, all four districts reached the TF elimination threshold of <5% and three of four districts reached the TT elimination threshold of <0.1%.

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Collaboration types
International collaboration
Web of Science research areas
Infectious Diseases
Parasitology
Tropical Medicine
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