"Infectious agent" Quotes from Famous Books
... identity of the disease in man and cattle, the question has been raised whether cattle are responsible for its occurrence in man. Any transmission of the infectious agent may be conceived of as taking place during the life of the animal and from the meat after slaughter. That human beings have contracted actinomycosis by coming in contact with diseased cattle is not shown by the cases that have been reported, ... — Special Report on Diseases of Cattle • U.S. Department of Agriculture |