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Definitions

infectious

[in-fek-shuhs] / ɪnˈfɛk ʃəs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They can even detect tuberculosis, an infectious disease that commonly affects the lungs, far quicker than it would be found in a lab using conventional microscopy, Apopo has said.

From BBC • Apr. 4, 2026

After hours cooling his heels, Kornev is then informed that Stepniak is ill with an infectious disease — come back another time.

From Los Angeles Times • Mar. 26, 2026

"Our study demonstrates DoriVac's versatility and potential by taking a close look at the immune changes that are required to fight infectious viruses."

From Science Daily • Mar. 17, 2026

And the agency says it has shown promise in detecting scent signatures linked to stomach ulcers, and infectious and inflammatory diseases, among other things.

From The Wall Street Journal • Mar. 17, 2026

Smallpox, measles, influenza, typhus, bubonic plague, and other infectious diseases endemic in Europe played a decisive role in European conquests, by decimating many peoples on other continents.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond