1921
Volume 94, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645

Abstract

Abstract

In 1977, an outbreak of toxoplasmosis occurred among 37 persons associated with exposure to an indoor horse arena. Cat feces containing the organism were most likely stirred up when horses ran on the dirt floor, and were inhaled or ingested by riders and observers. After 25 or more years, we attempted to locate persons from the outbreak and offer them an eye examination. Of the 37 persons in the outbreak, 18 (49%) were located; four had died, and the remaining 14 agreed to an examination. Among the 14 persons examined, three (21%) were found to have lesions typical of toxoplasmic retinochoroiditis. If these three persons were the only ones with ocular disease among the 37 persons in the outbreak, the disease rate would still be high (8%). As a result of exposure to during this outbreak, a relatively high percentage of persons developed ocular disease.

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/content/journals/10.4269/ajtmh.15-0919
2016-06-01
2017-09-26
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References

  1. Teutsch SM, Juranek DD, Sulzer A, Dubey JP, Sikes RK, , 1979. Epidemic toxoplasmosis associated with infected cats. N Engl J Med 300: 695699.[Crossref]
  2. Maddison SE, Slemenda SB, Teutsch SM, Walls KW, Kagan IG, Mason WR, Bell F, Smith J, , 1979. Lymphocyte proliferative responsiveness in 31 patients after an outbreak of toxoplasmosis. Am J Trop Med Hyg 28: 955961.
  3. Teutsch SM, Sulzer AJ, Ramsey JE, Jr Murray WA, Jr Juranek DD, , 1980. Toxoplasma gondii isolated from amniotic fluid. Obstet Gynecol 55: 2S4S.[Crossref]
  4. Dubey JP, Sharma SP, Juranek DD, Sulzer AJ, Teutsch SM, , 1981. Characterization of Toxoplasma gondii isolates from an outbreak of toxoplasmosis in Atlanta, Georgia. Am J Vet Res 42: 10071010.
  5. Akstein RB, Wilson LA, Teutsch SM, , 1982. Acquired toxoplasmosis. Ophthalmology 89: 12991302.[Crossref]
  6. Arantes TE, Silveira C, Holland GN, Muccioli C, Yu F, Jones JL, Goldhardt R, Lewis KG, Belfort R, Jr, 2015. Ocular involvement following postnatally acquired Toxoplasma gondii infection in southern Brazil: a 28-year experience. Am J Ophthalmol 159: 10021012.e2.[Crossref]
  7. Holland GN, , 2003. Ocular toxoplasmosis: a global reassessment. Part I: epidemiology and course of disease. Am J Ophthalmol 136: 973988.[Crossref]
  8. Holland GN, , 2010. An epidemic of toxoplasmosis: lessons from Coimbatore, India. Arch Ophthalmol 128: 126128.[Crossref]
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  • Received : 23 Dec 2015
  • Accepted : 02 Mar 2016

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