infected

adjective

in·​fect·​ed in-ˈfek-təd How to pronounce infected (audio)
: having an infection : contaminated with an infective agent (such as a bacterium or virus)
an infected wound
Through a number of different means, these viruses persist at very low, hard-to-detect levels in infected cells.The Journal of the American Medical Association
She explains that leptospirosis bacteria are shed in the urine of infected animals.Tania Banak
The fungus produces as many as 1 million conidia per square centimeter of infected leaf surface.G. B. Lucas

Examples of infected in a Sentence

Recent Examples on the Web
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Kai Davidson, 27, pictured when the cyst became infected and swelled up in June 2025. Alyce Collins, MSNBC Newsweek, 12 July 2025 Septicemic plague – Septicemic plague is most commonly spread through flea bites or exposure to infected animals. Saleen Martin, USA Today, 11 July 2025 States have restricted the transport of infected animals across state lines, and the USDA restricts importation from countries with H5N1 infections. Judy Stone, Forbes.com, 9 July 2025 There are no vaccines or medications to prevent or treat West Nile virus but very few infected feel sick. Marina Johnson, The Courier-Journal, 9 July 2025 See All Example Sentences for infected

Word History

Etymology

from past participle of infect

First Known Use

1534, in the meaning defined above

Time Traveler
The first known use of infected was in 1534

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Cite this Entry

“Infected.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infected. Accessed 20 Jul. 2025.

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