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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
According to the Centers for Disease Control and Prevention (), most human infections (60 percent) to date have come from contact with infected cattle. Tom Howarth, Newsweek, 24 Jan. 2025 In addition, touching an infected bird, its feathers or its droppings can spread bird flu. Stephen Underwood, Hartford Courant, 24 Jan. 2025 There were 38 human cases in California through Jan. 15, most of whom got the virus after being exposed to infected cattle, according to the latest update from the California Department of Public Health. Ishani Desai, Sacramento Bee, 23 Jan. 2025 Doron says vaccination is not the only way to protect agricultural workers and other individuals who might come in contact with infected animals. Emily Mullin, WIRED, 22 Jan. 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

Dictionary Entries Near infected

Cite this Entry

“Infected.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infected. Accessed 2 Feb. 2025.

Last Updated: - Updated example sentences
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