Abstract • Trachoma is the leading infectious cause of blindness worldwide, and epidemiologic studies of factors that may increase the transmission of ocular Chlamydia trachomatis are needed. In two villages in a hyperendemic area of Central Tanzania, 472 (90%) of 527 preschool-aged children were examined for specific signs of unclean faces and presence of trachoma. The odds of trachoma were 70% higher in children with flies and nasal discharge on their faces. Other facial signs were not important. In large families, the odds of trachoma increased 4.8-fold if a sibling had trachoma and 6.8-fold if a sibling had trachoma and an unclean face. Health education Strategies aimed at improving face washing need to target cleaning nasal discharge and keeping flies off children's faces. References 1. Dawson CR, Jones BR, Tarizzo ML. Guide to Trachoma Control . Geneva, Switzerland: World Health Organization; 1981. 2. Grayston JT, Wang S. New knowledge of chlamydiae and the diseases they cause . J Infect Dis . 1975;132:87-105.Crossref 3. West SK, Lynch M, Turner V, et al. Water availability and trachoma . Bull World Health Organ . 1989;67:71-75. 4. Marx R. Social factors and trachoma: a review of the literature . Soc Sci Med . 1989;29:23-34.Crossref 5. Taylor HR, West SK, Mmbaga BBO, et al. Hygiene factors and increased risk of trachoma in Central Tanzania . Arch Ophthalmol . 1989;107:1821-1825.Crossref 6. Lane SD. A Biocultural Study of Trachoma in an Egyptian Hamlet. San Francisco, Calif: University of California; 1987. Thesis. 7. 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;65:477-483. 8. Taylor HR, West SK, Katala S, Foster A. Trachoma: evaluation of a new grading scheme in the United Republic of Tanzania . Bull World Health Organ . 1987;65:485-488. 9. Fleiss J. Statistical Methods for Rates and Proportions . 2nd ed. New York, NY: John Wiley & Sons Inc; 1981:217. 10. Schachter J, Lum L, Gooding CA, Ostler B. Pneumonitis following inclusion blennorrhea . J Pediatr . 1975;87:779-780.Crossref 11. Beem MO, Saxon EM. Respiratory-tract colonization and a distinctive pneumonia syndrome in infants infected with Chlamydia trachomatis . N Engl J Med . 1977;296:306-310.Crossref 12. Schachter J, Dawson CR. Is trachoma an ocular component of a more generalized chlamydial infection? Lancet . 1979;1:702-703.Crossref 13. Malaty R, Zaki S, Said ME, Vastine DW, Dawson CR, Schachter J. Extraocular infections in children in areas with endemic trachoma . J Infect Dis . 1981;143:853.Crossref
Archives of Ophthalmology – American Medical Association
Published: Jun 1, 1991
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