The zoophilic form of T. mentagrophytes with a wide range of animal hosts including mice, guinea pigs, kangaroos, cats, horses, sheep and rabbits. Produces inflammatory skin or scalp lesions in humans, particularly in rural workers. Kerion of the scalp and beard may occur. Invaded hairs show an ectothrix infection but do not fluoresce under Wood's ultra-violet light.Distribution: World-wide.Key Features: Culture characteristics, microscopic morphology and clinical disease with known animal contacts.

Trichophyton mentagrophytes var. mentagrophytes.

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