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M. F. Engman, M.D.; R. A. McGarry, M.D.
JAMA. 1917;LXVIII(7):543-544. doi:10.1001/jama.1917.04270020207014.
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Owing to the results obtained by the use of Strickler's ringworm vaccine1 in two cases so treated, it is felt that their publication may be of stimulating interest. In undertaking the treatment of these cases, both of Trichophyton megalosporon-ectothrix, little hope was entertained that the results would be so striking, as the directions for use in the package kindly sent us by Dr. Strickler stated that practically all the cases in which it had been used were of the microsporon type.

The patients under discussion were both Italians, swarthy, with coarse skins and black, heavy beards.

Case 1.  —F. F., aged 22, freight handler, with negative physical examination, first became aware of the trouble four weeks previous to his entrance into the hospital. A small pustule appeared on the lower lip. This was soon followed by others, and the disease rapidly spread over the entire bearded region of the


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