There can be no question that scarlet fever is commonly spread by what is more or less loosely denominated "contact," a term applied to fairly close proximity to persons suffering from the infection, or to clothing and other articles handled by or brought into the neighborhood of the patient or convalescent. Other modes of dissemination, however, must not be overlooked. It has been asserted by the daily press of Chicago that the recent extension of scarlet fever in that city has been due, in part at least, to infected milk, especially in the suburb of Evanston, where it is claimed that a fairly direct connection has been shown between the use of milk distributed by a particular company and the appearance of cases of scarlet fever. We have not ourselves made any investigation of this epidemic, and so far as known an official public report has not yet been published.
SCARLET FEVER AND MILK.. JAMA. 1907;XLVIII(7):612. doi:10.1001/jama.1907.02520330054004