Definition, Meaning & Synonyms
pathogen
noun
/ˈpæθəʤən/
Definition
A pathogen is a microorganism that causes disease in a host organism.
Examples
- The flu virus is a common pathogen responsible for seasonal outbreaks.
- Bacteria such as Salmonella are known pathogens that can cause foodborne illnesses.
- Vaccines help the body to recognize and fight off specific pathogens.
Meaning
Pathogens can be bacteria, viruses, fungi, or parasites that invade the body and disrupt normal bodily functions, leading to illness.
Synonyms
- Germ
- Microbe
- Infectious agent
