Very little reference is made in medical literature to the possibility of the transmission of infective agents through butter. Fewer still are reports of actual dissemination of disease by this agency. Rosenau, Frost and Bryant1 found Bacillus coli in six, streptococci in fourteen and the tubercle bacillus in two of twenty-five samples of market butter collected in Boston. Swithenbank and Newman2 cite several investigations in which the tubercle bacillus was found in the butter examined. H. W. Hill3 reports a rural outbreak of diphtheria in which the epidemiologic evidence indicated that distribution of the diphtheria bacillus had been effected through the consumption of butter from a local creamery which had been receiving cream from premises on which existed a case of diphtheria. Hill also reports4 an outbreak of from thirty-five to forty cases of typhoid localized to one ward in Anoka. The only discoverable medium of
BOYD MF. BUTTER AS A VEHICLE OF INFECTION IN TYPHOID. JAMA. 1917;LXIX(24):2030–2032. doi:10.1001/jama.1917.02590510022010
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