Korean J Parasitol.  2012 Mar;50(1):69-71. 10.3347/kjp.2012.50.1.69.

Trichuris vulpis (Froelich, 1789) Infection in a Child: A Case Report

Affiliations
  • 1Departamento de Parasitologia, Escuela Nacional de Ciencias Biologicas-IPN, Mexico DF, 11340, Mexico. bnogueda@yahoo.com
  • 2Hospital General de Ometepec, Carretera Ometepec-Acapulco km 2.25, Ometepec, Guerrero, Mexico.
  • 3Unidad Academica de Ciencias Quimico Biologicas de la U.A.G., Av. Lazaro Cardenas, S/N. Ciudad Universitaria, 39090, Chilpancingo, Guerrero, Mexico.

Abstract

We present a human infection with the canine whipworm, Trichuris vulpis, in a child suffering from rhinitis with a diagnosis of rhinitis. T. vulpis eggs resemble those of T. trichiura but they can be differentiated based on their morphological features and egg size, using micrometry with an ocular micrometer. T. vulpis eggs measured an average of 90 microm by 44 microm (range 86-99 microm by 38-47 microm). Prevalence of hookworms (28.1%), Toxocara canis (11.8%), and Trichuris vulpis (3.5%) was found in 292 fecal samples of dogs collected at the peri-domicile, which showed that the risk of infection was not only fortuitous. The treatment of canine whipworm infections is similar to that of T. trichiura infection. We recommend differentiation of the 2 species for their epidemiological and prevention implications.

Keyword

Trichuris vulpis; canine whipworm; micrometry; rhinitis
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