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To the Editor:
—The Journal, Aug. 26, 1916, p. 683, commented editorially on an epidemic of infectious sore throat in an Eastern city directly traceable to a single milk supply. I was led to take up an investigation of this epidemic, first, because the sole evidence of proof was the occurrence of sore throat in the three communities reached by this milk supply, together with the finding of a person with sore throat on that farm at the time of the investigation. Secondly, a personal knowledge of the probable source of the trouble in two of the three communities, coupled with the fact that the producer was later found by me to be in the Class A certified class without the certification, was sufficient reason to demonstrate to the producer, for his own satisfaction, whether or not his milk was the source. An investigation extending over four months with
Lewis DM. Milk-Borne Infections. JAMA. 1917;LXVIII(11):866. doi:10.1001/jama.1917.04270030198029