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
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Children are especially vulnerable to this kind of reaction, said Oxford University immunologist Astrid Iversen during the press conference, because their immune systems are still learning how to respond to pathogens.
—
ArsTechnica, 18 June 2026
These pathogens can sicken swimmers with diseases of the skin, eyes, ears and respiratory tract.
—Colson Thayer, PEOPLE, 17 June 2026
Tracing plague’s ancient path is crucial to understand how pathogens evolve over time — especially given that plague cases still occur each year, Willerslev said.
—Ashley Strickland, CNN Money, 17 June 2026
In a study published Wednesday in the journal Nature, researchers recovered genetic fragments of the plague-causing pathogen, Yersinia pestis, in more than a third of the individuals — marking two phases of an outbreak, starting about 5,500 years ago.
—Carolyn Y. Johnson, Washington Post, 17 June 2026
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ArsTechnica, 18 June 2026
These pathogens can sicken swimmers with diseases of the skin, eyes, ears and respiratory tract.
—Colson Thayer, PEOPLE, 17 June 2026
Tracing plague’s ancient path is crucial to understand how pathogens evolve over time — especially given that plague cases still occur each year, Willerslev said.
—Ashley Strickland, CNN Money, 17 June 2026
In a study published Wednesday in the journal Nature, researchers recovered genetic fragments of the plague-causing pathogen, Yersinia pestis, in more than a third of the individuals — marking two phases of an outbreak, starting about 5,500 years ago.
—Carolyn Y. Johnson, Washington Post, 17 June 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 24 Jun. 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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