Table 1:

Evolution of the term One Health

	Individual/Organization	Experimental Basis	Evolution of the Term
19th Century	Robert Virchow	Experimental studies on Trichinella spiralis, bovine cysticercosis, and bovine tuberculosis	Zoonoses9
19th Century	Sir William Osler	Comparative pathology between human and animal diseases	One Medicine9
20th Century	Dr. Calvin W. Schwabe	Comparative and collaborative medicine to combat diseases and to ensure food and environment quality	Reintroduced One Medicine10
2007	American Medical Association (AMA) and American Veterinary Medical Association (AVMA)	Integrated research, education, and public health prevention, preparedness, and response for achieving improved animal and human health	One Health10