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Original Article

Coccidioidin sensitivity in San Diego schools

Pages 85-89 | Published online: 09 Jul 2009
 

Abstract

San Diego is located within the geographic distribution of known occurrence of Coccidioides immitis contamination of the soil. Forty-five to fifty-five cases are diagnosed in San Diego hospitals each year. Skin tests were administered to one thousand and twenty-seven ninth grade students in five selected San Diego schools. Coccidioidin 1:100 was administered by Mantoux technique, intradermally. Induration was measured at forty-eight hours. Greater than 5 mm of induration was noted in 9·7% of students tested. Among 378 students who had been lifelong residents of San Diego County, 7% had greater than 5 mm of induration. Coccidioidomycosis is endemic in San Diego but the level of endemicity is rather modest.

Resumen

San Diego está localizado dentro de la distribución geográfica donde se conoce que existe contaminación del terreno llamada Coccidioides immitis. De 45 a 50 casos de esta enfermedad se diagnostican cada año en hospitales en San Diego. Se administraron pruebas de piel a 1,026 estudiantes de noveno grado en 5 escuelas especialmente seleccionadas en San Diego. Coccidioidin 1:100 se administró en el cutis usando la técnica Mantoux. El endurecimiento si midió a las 48 horas. Endurecimiento de más de 5 mm se notó en 9·7% de los estudiantes que recibieron las pruebas. De 378 estudiantes, que han vivido én el condado de San Diego por todas sus vidas, 7% mostraron más de 5 mm de endurecimiento. Coccidiodomicosis es endémico en San Diego pero el nivel de la endemia es leve.

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