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Pathogenic organisms
Similar term(s): pathogen.
Organisms, including bacteria, viruses or cysts, capable of causing diseases (typhoid, cholera, dysentery) in a host (such as a person). There are many types of organisms which do NOT cause disease. These organisms are called non-pathogenic.
Source: US EPA US EPA Drinking Water Glossary, A Dictionary of Technical and Legal Terms Related to Drinking Water
Although normally used to describe pathogenic organisms, the term 'pathogens' may include other agents.
