Germ theory of disease was introduced by: March 2013
Ans. D i.e. John Snow Germ theory of disease It refers to the discovery in the late 19th century that some infectious diseases are caused by microorganisms, small organisms too small to see without magnification, that invades the host. The theory supplanted earlier explanations for disease such as miasma theory.
Robe Koch
Loeffler
Walter Reed
John Snow