In 1923, Aynaud1 reported the results of his studies on ecthyma contagiosum. In this report he described experimental procedures definitely identifying the disease as due to a filtrable virus and apparently peculiar to sheep and goats. Following this early work, the results of similar studies have been published by Glover,2 Boughton and Hardy,3 Oppermann and Stümpke,4 Marsh and Tunnicliff5 and others. As a result of these investigations, there is now available a rather complete and detailed knowledge of the disease as it exists in the animals studied. This information may be summarized somewhat as follows:
(a) The disease is due to a specific filtrable virus.
(b) It is apparently peculiar to sheep, goats and man.
(c) It is known to exist throughout most of the wool-producing areas of the world.
(d) Where preventive measures are not employed, it may be characterized by a high
KINGERY LB, DAHL J. ECTHYMA CONTAGIOSUM IN MAN: DATA CONCERNING ITS INCIDENCE IN SEVERAL WESTERN STATES; REPORT OF A CASE. Arch Derm Syphilol. 1945;51(6):359–364. doi:10.1001/archderm.1945.01510240005001
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