Prevalence of Trachoma in Kogi State, Nigeria: Results of four Local Government Area-Level Surveys from the Global Trachoma Mapping Project

References

• Caldwell HD, Wood H, Crane D, et al. Polymorphisms in Chlamydia trachomatis tryptophan synthase genes differentiate between genital and ocular isolates. J Clin Invest. 2003;111(11):1757–1769.
   PubMed Web of Science ®Google Scholar
• Hadfield J, Harris SR, Seth-Smith HMB, et al. Comprehensive global genome dynamics of Chlamydia trachomatis show ancient diversification followed by contemporary mixing and recent lineage expansion. Genome Res. 2017;27(7):1220–1229.
   PubMed Web of Science ®Google Scholar
• Emerson PM, Bailey RL, Mahdi OS, Walraven GE, Lindsay SW. Transmission ecology of the fly Musca sorbens, a putative vector of trachoma. Trans R Soc Trop Med Hyg. 2000;94(1):28–32.
   PubMed Web of Science ®Google Scholar
• Grayston JT, Wang SP, Yeh LJ, Kuo CC. Importance of reinfection in the pathogenesis of trachoma. Rev Infect Dis. 1985;7(6):717–725.
   PubMedGoogle Scholar
• Gambhir M, Basanez MG, Burton MJ, et al. The development of an age-structured model for trachoma transmission dynamics, pathogenesis and control. PLoS Negl Trop Dis. 2009;3(6):e462.
   PubMed Web of Science ®Google Scholar
• Palmer SL, Winskell K, Patterson AE, et al. ‘A living death’: a qualitative assessment of quality of life among women with trichiasis in rural Niger. Int Health. 2014;6(4):291–297.
   PubMed Web of Science ®Google Scholar
• Bourne RR, Stevens GA, White RA, et al. Causes of vision loss worldwide, 1990-2010: a systematic analysis. Lancet Global Health. 2013;1(6):e339–49.
   PubMed Web of Science ®Google Scholar
• Francis V, Turner V. Achieving Community Support for Trachoma Control (WHO/PBL/93.36). Geneva: World Health Organization; 1993.
   Google Scholar
• Smith JL, Haddad D, Polack S, et al. Mapping the global distribution of trachoma: why an updated atlas is needed. PLoS Negl Trop Dis. 2011;5(6):e973.
   PubMed Web of Science ®Google Scholar
• Solomon AW, Kurylo E. The global trachoma mapping project. Community Eye Health. 2014;27(85):18.
   PubMedGoogle Scholar
• Heggen AE, Solomon AW, Courtright P. Perspectives of National Coordinators and Partners on the Work of the Global Trachoma Mapping Project. Ophthalmic Epidemiol. 2016;23(6):366–372.
   Web of Science ®Google Scholar
• Smith JL, Flueckiger RM, Hooper PJ, et al. The geographical distribution and burden of trachoma in Africa. PLoS Negl Trop Dis. 2013;7(8):e2359.
   PubMed Web of Science ®Google Scholar
• Rabiu MM, Abiose A. Magnitude of trachoma and barriers to uptake of lid surgery in a rural community of northern Nigeria. Ophthalmic Epidemiol. 2001;8(2–3):181–190.
   PubMedGoogle Scholar
• Mpyet C, Ogoshi C, Goyol M. Prevalence of trachoma in Yobe State, north-eastern Nigeria. Ophthalmic Epidemiol. 2008;15(5):303–307.
   PubMed Web of Science ®Google Scholar
• Jip NF, King JD, Diallo MO, et al. Blinding trachoma in Katsina state, Nigeria: population-based prevalence survey in ten local government areas. Ophthalmic Epidemiol. 2008;15(5):294–302.
   PubMed Web of Science ®Google Scholar
• King JD, Jip N, Jugu YS, et al. Mapping trachoma in Nasarawa and Plateau States, central Nigeria. Br J Ophthalmol. 2010;94(1):14–19.
   PubMed Web of Science ®Google Scholar
• Ramyil A, Wade P, Ogoshi C, et al. Prevalence of trachoma in Jigawa State, north-western Nigeria. Ophthalmic Epidemiol. 2015;22(3):184–189.
   PubMed Web of Science ®Google Scholar
• Smith JL, Sivasubramaniam S, Rabiu MM, Kyari F, Solomon AW, Gilbert C. Multilevel analysis of trachomatous trichiasis and corneal opacity in Nigeria: the role of environmental and climatic risk factors on the distribution of disease. PLoS Negl Trop Dis. 2015;9(7):e0003826.
   PubMed Web of Science ®Google Scholar
• Mpyet C, Lass BD, Yahaya HB, Solomon AW. Prevalence of and risk factors for trachoma in Kano state, Nigeria. PloS One. 2012;7(7):e40421.
   PubMed Web of Science ®Google Scholar
• Mpyet C, Muhammad N, Adamu MD, et al. Trachoma Mapping in Gombe State, Nigeria: results of 11 Local Government Area Surveys. Ophthalmic Epidemiol. 2016;23(6):406–411.
   PubMed Web of Science ®Google Scholar
• Mpyet C, Muhammad N, Adamu MD, et al. Prevalence of Trachoma in Katsina State, Nigeria: results of 34 district-level surveys. Ophthalmic Epidemiol. 2016;23(sup1):55–62.
   Web of Science ®Google Scholar
• Mpyet C, Muhammad N, Adamu MD, et al. Prevalence of Trachoma in Bauchi State, Nigeria: results of 20 Local Government Area-Level Surveys. Ophthalmic Epidemiol. 2016;23(sup1):39–45.
   Web of Science ®Google Scholar
• Muhammad N, Mpyet C, Adamu MD, et al. Mapping Trachoma in Kaduna State, Nigeria: results of 23 Local Government Area-Level, Population-Based Prevalence Surveys. Ophthalmic Epidemiol. 2016;23(sup1):46–54.
   Web of Science ®Google Scholar
• Adamu MD, Mpyet C, Muhammad N, et al. Prevalence of Trachoma in Niger State, North Central Nigeria: results of 25 Population-Based Prevalence Surveys Carried Out with the Global Trachoma Mapping Project. Ophthalmic Epidemiol. 2016;23(sup1):63–69.
   Web of Science ®Google Scholar
• Mpyet C, Muhammad N, Mohammed AD, et al. Prevalence of trachoma in Kano state, Nigeria: results of 44 Local Government Area-level surveys. Ophthalmic Epidemiol. 2017;24(3):195–203.
   PubMed Web of Science ®Google Scholar
• Muhammad N, Mohammed A, Isiyaku S, Adamu MD, Gwom A, Rabiu MM. Mapping trachoma in 25 local government areas of Sokoto and Kebbi states, northwestern Nigeria. Br J Ophthalmol. 2014;98(4):432–437.
   PubMed Web of Science ®Google Scholar
• National Population Commission. 2006 Population and Housing Census of the Federal Republic of Nigeria: National and State Population and Housing Tables, Priority Tables (Volume 1). Abuja: National Population Commission; 2009.
   Google Scholar
• Boisson S, Engels D, Gordon BA, et al. Water, sanitation and hygiene for accelerating and sustaining progress on neglected tropical diseases: a new Global Strategy 2015-20. Int Health. 2016;8(Suppl 1):i19–i21.
   PubMed Web of Science ®Google Scholar
• Solomon AW, Pavluck A, Courtright P, et al. The Global Trachoma Mapping Project: methodology of a 34-country population-based study. Ophthalmic Epidemiol. 2015;22(3):214–225.
   PubMed Web of Science ®Google Scholar
• Solomon AW, Zondervan M, Kuper H, Buchan JC, Mabey DCW, Foster A. Trachoma Control: A Guide for Programme Managers. Geneva: World Health Organization; 2006.
   Google Scholar
• Thylefors B, Dawson CR, Jones BR, West SK, Taylor HR. A simple system for the assessment of trachoma and its complications. Bull World Health Organ. 1987;65(4):477–483.
   PubMed Web of Science ®Google Scholar
• Pavluck A, Chu B, Mann Flueckiger R, Ottesen E. Electronic data capture tools for global health programs: evolution of LINKS, an Android-, web-based system. PLoS Negl Trop Dis. 2014;8(4):e2654.
   PubMed Web of Science ®Google Scholar
• World Medical Association. World Medical Association Declaration of Helsinki: ethical principles for medical research involving human subjects. Jama. 2013;310(20):2191–2194.
   PubMed Web of Science ®Google Scholar
• World Health Organization. Validation of Elimination of Trachoma as a Public Health Problem (WHO/HTM/NTD/2016.8). Geneva: World Health Organization; 2016.
   Google Scholar
• Dineen B, Gilbert CE, Rabiu M, et al. The Nigerian national blindness and visual impairment survey: rationale, objectives and detailed methodology. BMC Ophthalmol. 2008;8:17.
   PubMed Web of Science ®Google Scholar
• West S, Munoz B, Lynch M, et al. Impact of face-washing on trachoma in Kongwa, Tanzania. Lancet. 1995;345(8943):155–158.
   PubMed Web of Science ®Google Scholar
• Pinsent A, Burton MJ, Gambhir M. Enhanced antibiotic distribution strategies and the potential impact of facial cleanliness and environmental improvements for the sustained control of trachoma: A modelling study. BMC Medicine. 2016;14(1):1–10.
   PubMedGoogle Scholar
• Solomon AW, Foster A, Mabey DC. Clinical examination versus Chlamydia trachomatis assays to guide antibiotic use in trachoma control programmes. Lancet Infect Dis. 2006;6(1):5–6. author reply 7-8.
   PubMed Web of Science ®Google Scholar
• Brogan D, Flagg EW, Deming M, Waldman R. Increasing the accuracy of the Expanded Programme on Immunization’s cluster survey design. Ann Epidemiol. 1994;4(4):302–311.
   PubMedGoogle Scholar
• Turner AG, Magnani RJ, Shuaib M. A not quite as quick but much cleaner alternative to the Expanded Programme on Immunization (EPI) Cluster Survey design. Int J Epidemiol. 1996;25(1):198–203.
   PubMed Web of Science ®Google Scholar
• Grais RF, Rose AM, Guthmann JP. Don’t spin the pen: two alternative methods for second-stage sampling in urban cluster surveys. Emerg Themes Epidemiol. 2007;4:8.
   PubMedGoogle Scholar
• World Health Organization Alliance for the Global Elimination of Trachoma by 2020. Second Global Scientific Meeting on Trachomatous Trichiasis. Cape Town, 4-6 November 2015 (WHO/HTM/NTD/2016.5). Geneva: World Health Organization; 2016.
   Google Scholar