Essentials of Milk Hygiene a Practical Treatise On Dairy And Milk Inspection An
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Despite the investigation which was instituted, the ultimate ori- gin of the infection was not discovered. H. Moller has observed and described as follows an epidemic caused by milk from a cooperative dairy, which is rather characteristic : 24 Seven farms supported a cooperative dairy. A case of typhoid fever occurred on one of the farms ; the dairy continued to receive the milk but did not boil the skim milk that was returned. With brief intermissions, 40 persons, altogether, became in- 24 Uge...skrif t for Laeger, 1890, p. 128. TYPHOID FEVEE 109 fected with typhoid fever on the dairy farm first infected, on the farm upon which the creamery was sit- uated and on 4 other farms, only one farm remaining exempt. Through contagion, the disease was carried from these farms to 7 other families and 14 more per- sons became affected. Hart's and Freeman's collections of the milk epi- demics in the literature gave an idea of the importance of this method of transmission of typhoid fever. Hart collected the established milk epidemics from 1857-81 and found accounts of 51, with 3500 cases of the disease and 350 deaths, while Busey and Kober found 88 epi- demics up to 1895.
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