noun
- a microorganism that causes disease
Usage: medical; scientific
Examples
- The laboratory identified the pathogen responsible for the outbreak.
- Bacteria, viruses, and fungi can all be pathogens.
- Hand washing helps prevent the spread of pathogens.
- The immune system fights off harmful pathogens.
- Scientists are studying new pathogens that have emerged recently.
- Food safety regulations help control foodborne pathogens.