MILK-BORNE INFECTIONS IN GREAT BRITAIN BY

that an outbreak of typhoid fever was spread by milk. Since that date the literature has been strewn with reports on milk-spread outbreaks of infectious disease, but even so numerous outbreaks remain unrecorded. The importance of milk as a vehicle for the trans-mission of disease is due to three factors. The cow may suffer from infections which are common also to man; milk is a suitable medium for the multiplica-tion of most pathogenic organisms and ingestion is an important factor in infection; milk is much handled between cow and consumer, so facilitating its infection. There are three sources of human milk-spread infections. (1) Bovine infection of the cow ma