A SURVEY OF <i>MICROSPORUM CANIS</i> INFECTION OF CATS IN SYDNEY*

Keep, J. M.

doi:10.1111/j.1751-0813.1963.tb04367.x

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“…This is shown graphically in Figure 2. This high autumn, low spring-ratio has also been demonstrated in the United States (Menges and Georg, 1957;Kaplan and Ivens, 19(il) and in Australia (Keep, 1963). ]<]xaminatiou of the figures presented by Marples (1951) for humau M. canis ringworms iu Dunedin over the three years 1947, 1948, 1949 shows that much the same seasonal distribution was present 20 years ago.…”

Section: Discussionmentioning

confidence: 52%

“…The age and sex distribution of M. canis ringworms in man and animals needs little comment. Various authors have demonstrated the affinity of this dermatophyte for children and kittens (Marples, 1951;Georg, 1960;Londero, 1963;Keep, 1963). Earlier in New Zealand (Marples, 1951) and in Brazil (Londero, 1963) it had been demonstrated that in the yonnger age gronps, infection was more common in males than females.…”

Section: Discussionmentioning

confidence: 99%

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Animals as a Reservoir of Human Ringworm in New Zealand

Smith

Rush-Munro

McCarthy

1969

Australas J Dermatol

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Investigations in New Zealand have shown that animals are an important reservoir of human ringworm. Of 4,328 dermatophytes recovered from human lesions over the six-year period 1963-68, 1,579 (36-5%) were considered to be of animal origin-1,254 (29-0% total) Microsporum canis; 189 (4-4% total) Trichophyton erinacei; 86 (2-0'/r total) Trichophyton mentagrophytes; 46 (1'1%) Trichophyton verrucosum; 2 Microsporum distortum and 2 Trichophyton equinum var. autotrophicum. Human infection with zoophilic dermatophytes was more pronounced in the younger age groups, showed no marked sex distribution, and usually occurred at only a single exposed site on the body. Apart from the M. canis ringworms which occurred mainly between the months February to August (autumn, winter), no marked seasonal variations were observed.Of the 12 dermatophyte species recovered from 1,290 wild, domestic and laboratory animals examined between 1960-68, only nine were regarded as possessing parasitic properties. These were the zoophilic Microsporum canis, M. distortum, M. nanum, Trichophyton erinacei, T. equinum var. autotrophicum, T. gallinae, T. mentagrophytes, T. verrucosum, and the geophilic M. gypseum. Those regarded as essentially non-pathogenic were the geophilic M. cookei, T. ajelloi and T. terrestre. Apart from T. mentagrophytes which was recovered from a wide variety of animals, the remaining pathogenic dermatophytes displayed marked host specificities. T. mentagrophytes var. quinckeanum was not isolated from any of the human or animal specimens.It is confirmed that, in New Zealand, animals form an important reservoir of human ringworm. Direct contact with small domestic pets rather than larger farm animals is the main source of ir>fection. Of the small wild animals, hedgehogs (Erinaceus europaeus) appear most important.Senior Lecturer in Microbiology, University o£ Otago,

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Section: Discussionmentioning

confidence: 52%