Archive image from page 289 of The pathology and differential diagnosis The pathology and differential diagnosis of infectious diseases of animals differentpathology00moorrich Year: 1908 266 § iSg. History. Tetanus is one of the diseases that was recognized and described before the Christian era. It was not clearly differentiated until the discovery of its specific cause in 1884. § igo. Geographical distribution. Tetanus is reported to be more prevalent in the hot climates than in the temperate ones, while in the very cold latitudes it is rarely if ever en- countered. It is more frequently m
Archive image from page 289 of The pathology and differential diagnosis The pathology and differential diagnosis of infectious diseases of animals differentpathology00moorrich Year: 1908 266 § iSg. History. Tetanus is one of the diseases that was recognized and described before the Christian era. It was not clearly differentiated until the discovery of its specific cause in 1884. § igo. Geographical distribution. Tetanus is reported to be more prevalent in the hot climates than in the temperate ones, while in the very cold latitudes it is rarely if ever en- countered. It is more frequently met with in some districts than in others. Although very common in certain localities, it is, on the whole, a somewhat rare disease. There seem to be no statistics by which its frequency can be determined in this country, but in certain of the European armies this has been noted. In the Prussian army, it is reported to occur once in a thousand cases of sickness among horses. At Wiirtemberg, Hering reports it once in 3000 of disease among the horses in the cavalry. It has also been noted that in some veterinary hospitals it does not occur for long periods, while at other times several cases may appear in rapid succes- sion. It is, however, a wide spread disease. § igi. Etiology. Te- tanus is caused by a slender bacillus 2 to 5 // in length. It forms spores which are at the end of the organism giving it somewhat the ap- pearance of a pin. On account of this it has been designated the 'pin bacil- lus.' It is anaerobic. This organism was first ob- served by Nicolaier in 1885, although Carle and Rat- tone showed in 1884 that this disease could be transmitted from man to animals by inoc- ulation with the pus from the local lesion. In 1889, Kitasato isolated the bacillus and studied it in pure culture. This Fig. 62. Bacillus teiani.
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