PATHOGENIC STREPTOCOCCI AND MILK PASTEURIZATION

D URING the investigation of arecent epidemic of septic sorethroat ' the writers of this article ook occasion to make a fairly extensive.urvey of the literature of the strepto-:occi with special reference to their rela-ion to the spread of disease through milk. Che results of this survey, together with:ertain observations made in the course of he investigation, have impressed us with he fact that streptococci should be given pecial consideration in connection with he subject of milk pasteurization. It is a well known fact that the tern-terature and time of heating necessary to.ompletely sterilize a suspension of bac-eria is affected not only by the specific teat resistance of the organism used but Is ° by the number or concentration of he organisms in the suspension. As was Jointed out by Phelps2 the rate of killin