pathogen
noun
path·o·gen
ˈpa-thə-jən 
: a specific causative agent (such as a bacterium or virus) of disease
Examples of pathogen in a Sentence
Recent Examples on the Web
If successful, the experimental therapy could deliver an immune rejuvenation breakthrough – one that bolsters the immune system rather than targeting a specific pathogen or disease.
—
New Atlas,
2 July 2026
Although outbreaks remain relatively rare, both viruses can cause severe pneumonia and encephalitis, placing them among the World Health Organization's highest-priority emerging pathogens.
—
William A. Haseltine,
Forbes.com,
2 July 2026
The risk of such public threats is mounting because climate change is expanding the territory of certain pathogens, but researchers say there's another concern.
—
Stephanie Armour,
CBS News,
1 July 2026
What is urgently needed is a shift from pathogen-specific diagnostics toward pathogen-agnostic diagnostic systems.
—
Krutika Kuppalli,
STAT,
1 July 2026
See All Example Sentences for pathogen
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New Atlas,
2 July 2026
Although outbreaks remain relatively rare, both viruses can cause severe pneumonia and encephalitis, placing them among the World Health Organization's highest-priority emerging pathogens.
—
William A. Haseltine,
Forbes.com,
2 July 2026
The risk of such public threats is mounting because climate change is expanding the territory of certain pathogens, but researchers say there's another concern.
—
Stephanie Armour,
CBS News,
1 July 2026
What is urgently needed is a shift from pathogen-specific diagnostics toward pathogen-agnostic diagnostic systems.
—
Krutika Kuppalli,
STAT,
1 July 2026
See All Example Sentences for pathogen
Cite this Entry
“Pathogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pathogen. Accessed 5 Jul. 2026.
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pathogen
noun
patho·gen
ˈpath-ə-jən
: a specific causative agent (as a bacterium or virus) of disease
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