Nonpathogenic: Incapable of causing disease. For example, nonpathogenic E. coli are E. coli bacteria that do not cause disease, but instead live naturally in the large intestine.

What is pathogenic vs non-pathogenic?

Foodborne diseases caused by pathogenic bacteria can be, e.g., salmonellosis, listeriosis, campylobacteriosis and yersiniosis [3]. Organisms, which do not cause diseases are called non-pathogenic [2].

What is a pathogenic?

A pathogen is defined as an organism causing disease to its host, with the severity of the disease symptoms referred to as virulence. Pathogens are taxonomically widely diverse and comprise viruses and bacteria as well as unicellular and multicellular eukaryotes.