FAVUS is considered a rare mycotic disease in the United States. From time to time reports appear of endemic foci in various parts of the country,1 usually in small numbers and in isolated rural communities where the personal hygiene of the involved patients is rather poor. In these endemic foci, the disease manifests itself primarily as an infection of the scalp, and the hairs become directly involved. Occasionally there is involvement of a nail or two. Sometimes the glabrous skin adjacent to the scalp becomes involved by a direct extension of the process out of the scalp. This report is of an epidemic produced by Trichophyton schoenleini. It occurred entirely on the glabrous skin and was limited to the personnel of a large city hospital in New York.2 In all, 22 persons were involved, and the majority were members of the nursing staff. The first