How to Use infect in a Sentence

infect

verb
  • All the computers in the office were infected by the same virus.
  • The virus has infected many people.
  • If you're sick you should stay home to avoid infecting other people in the office.
  • The virus has infected many computers.
  • They were unable to prevent bacteria from infecting the wound.
  • Her enthusiasm has infected everyone.
  • The fungus infects the base of the nail and sometimes the top of the foot.
    Sarah Bradley, Health, 19 May 2024
  • This link, the Times states, was the one that infected Seaford’s device.
    Emma Roth, The Verge, 21 Mar. 2023
  • The city had a well, which was infected with E. coli due to hog farming.
    Grace Noble, Dallas News, 24 July 2023
  • If there are rust spots on the petals, the plant may be infected with Camellia petal blight.
    Steve Bender, Southern Living, 28 Jan. 2024
  • The the first thing researchers needed to do was make sure the illness would not infect the public.
    Karl Schneider, The Indianapolis Star, 21 Mar. 2022
  • Have the sequences changed so the virus is more likely to infect humans?
    Maryn McKenna, Wired, 24 Jan. 2022
  • The virus moved through those gaps to crash the party and infect the Justo family.
    Kaiser Health News, oregonlive, 17 Jan. 2022
  • Those first two are cancers in the cells lining the throat and stomach, which EBV can infect.
    Sarah Zhang, The Atlantic, 3 Mar. 2022
  • If the spike protein is gummed up by an antibody, the virus can’t infect a cell.
    Los Angeles Times, 19 Jan. 2022
  • The fungus can infect the bloodstream and even cause death by invading the blood, heart and brain, the agency said.
    Adrianna Rodriguez, USA TODAY, 21 Mar. 2023
  • The iPSCs could be a good way to figure out how the virus infects different cell types.
    Matt Reynolds, WIRED, 6 Mar. 2024
  • These are a group of viruses that are known to infect bacteria.
    Laura Baisas, Popular Science, 9 Nov. 2023
  • Even in the midst of the sorrow and the heaviness each of them has a sense of humor and is infected with the magic of Ireland.
    David L. Coddon, San Diego Union-Tribune, 5 Jan. 2024
  • Only the first four are thought to infect humans, according to the CDC.
    Erin Prater, Fortune, 19 Oct. 2022
  • The measles virus can stay in the air and infect others for up to two hours after a contagious person has left the room.
    Discover Magazine, 8 Mar. 2024
  • Dalton would scan for new species of exploitable devices and write code to infect them.
    Andy Greenberg, WIRED, 14 Nov. 2023
  • The disease and parasites from the corpse would then infect the live person and slowly kill him.
    Terry Pluto, cleveland, 4 June 2022
  • About 80% of Merkel cell tumors are infected with the Merkel cell polyomavirus.
    Gretchen Cuda Kroen, cleveland, 6 Sep. 2023
  • The seals may have been infected by living near or eating sick and dead birds.
    Emily Anthes, New York Times, 22 Apr. 2024
  • Viruses must infect cells and use components of the host cell to make copies of themselves.
    USA Today, 23 May 2022
  • In up to 10 percent of those infected, some symptoms can last for years.
    Ashli Blow, Scientific American, 19 Sep. 2023
  • To infect any living thing, the virus must get into its cells, which isn’t always easy.
    Laura Ungar, chicagotribune.com, 30 Mar. 2022
  • Since the infections are caused by different types of germs, you could be infected by both.
    Sarah Hudgens, Health, 27 Feb. 2025
  • If people take it after they have been infected, the drug can help to reduce the amount of virus the immune system has to manage and can lower the chances of severe disease.
    Alice Park, TIME, 14 Mar. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'infect.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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