Pathogen
Pathogen
A minute organism usually producing disease: bug, germ, microorganism. Source: Answers.com
The word "germ" can be a noun. It refers to a microorganism, especially one causing disease.
virulence
A bacterium, virus, or other microorganism that can cause disease. Synonym- Germ
bacterium, bug, disease, microbe, microorganism, parasite, plague, virus, germ
och's postulates are the following:The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy organisms.The microorganism must be isolated from a diseased organism and grown in pure culture.The cultured microorganism should cause disease when introduced into a healthy organism.
A bug or a microorganism.
Microorganism
The disease causing microorganism is called a pathogen.
A microorganism is called a "pathogen".
Pathogenic.