Accidental Isolation of Trichophyton Mentagrophytes from the Floor of a Schoolhouse

Abstract
A major reason for the failure of the numerous attempts to recover the dermatophytes from exogenous sources and even from Clinical materials is the over-growth of contaminants, particularly fungal. The incorporation of actidione in isolation media as recommended by Georg et al has been used to advantage in these investigations. Our report, as well as that of Lurie and Borok, suggests the feasibility of animal inoculation as an added procedure in the recovery of these dermatophytes from highly contaminated sources. A pathogenic strain of Trichophyton mentagrophytes was accidentally isolated from the sweepings of a vacuum cleaner used in a schoolhouse.

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