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Infections due to Trichophyton tonsurans and Trichophyton sulfureum in rural Eastern Quebec

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Summary

Seventy cases of dermatomycosis due toTrichophyton tonsurans (21 cases) andT. sulfureum (49 cases) were found in rural Quebec east of Rimouski during field investigations from 1956–1961. There are no immigrants in this area and endothrix ringworm has been present for at least three consecutive generations.

Lesions due toT. tonsurans were restricted to the scalp, whereasT. sulfureum caused infections of the scalp, scalp and body or body alone. Both organisms were isolated from scalp infections of adults, 14 % of theT. tonsurans infections and 20 % of those due toT. sulfureum.

Mixed infections due toT. tonsurans plusT. schönleinii andT. sulfureum plusM. canis were found.

Each community, save one, harboured only one endothrix species, eitherT. tonsurans orT. sulfureum.

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Author notes

  1. F. Blank

    Present address: Skin and Cancer Hospital, Departments of Dermatology and Microbiology, Temple University School of Medicine, Philadelphia

Authors and Affiliations

  1. Dept. of Bacteriology and Immunology, McGill University, Montreal, Canada

    F. Blank & Alex A. Strachan

Authors
  1. F. Blank
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  2. Alex A. Strachan
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Additional information

These investigations were supported by a National Health Grant, Project 604-9-49.

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Blank, F., Strachan, A.A. Infections due to Trichophyton tonsurans and Trichophyton sulfureum in rural Eastern Quebec. Mycopathologia et Mycologia Applicata 18, 207–212 (1962). https://doi.org/10.1007/BF02051593

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