as in virus
an abnormal state caused by contact with harmful organisms (such as bacteria or viruses)
There is a viral infection spreading among the schoolchildren.
Related Words
Relevance
Dissimilar Words
Example Sentences
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.
Recent Examples of infection
Among those most at risk of infection are farmers, animal care providers such as veterinarians, and other workers exposed to infected animals or animal products.
—
Marc Ramirez, USA Today, 16 Sep. 2025
There are probably more cases, the new report says, but doctors are not required to report Chagas infections in most states.
—Cnn.com Wire Service, Mercury News, 16 Sep. 2025
Thirty years of universal vaccination After a vaccine was approved in the 1980s, public health officials initially focused vaccination efforts on people thought to be at highest risk of infection.
—Jackie Fortiér, CNN Money, 16 Sep. 2025
After a vaccine was approved in the 1980s, public health officials initially focused vaccination efforts on people thought to be at highest risk of infection.
—Kff Health News, Oc Register, 16 Sep. 2025
See All Example Sentences for infection
Marc Ramirez, USA Today, 16 Sep. 2025
There are probably more cases, the new report says, but doctors are not required to report Chagas infections in most states.
—Cnn.com Wire Service, Mercury News, 16 Sep. 2025
Thirty years of universal vaccination After a vaccine was approved in the 1980s, public health officials initially focused vaccination efforts on people thought to be at highest risk of infection.
—Jackie Fortiér, CNN Money, 16 Sep. 2025
After a vaccine was approved in the 1980s, public health officials initially focused vaccination efforts on people thought to be at highest risk of infection.
—Kff Health News, Oc Register, 16 Sep. 2025
See All Example Sentences for infection
Recent Examples of Synonyms for infection
Noun
-
The virus was also detected in mosquito populations in several neighborhoods including Old Louisville, Irish Hill, California, Iroquois, Churchill Downs, Tyler Park and the Highlands in July.—
Marina Johnson,
Louisville Courier Journal,
15 Sep. 2025
-
Many public health advocates would argue that vaccination is critical in preventing the spread of a virus that is the number one cause of liver cancer globally.—
Omer Awan,
Forbes.com,
15 Sep. 2025
Noun
-
Little more than a century later, life expectancy had dramatically increased to seventy nine years—all due to a better understanding of microscopic germs as the cause of infectious diseases, public health measures, and the discovery and application of antibiotics.—
Alan Lightman
September 12,
Literary Hub,
12 Sep. 2025
-
These are telltale signs that there’s a buildup of bacteria, germs, and other unwanted substances in or on your trash can that can end up spreading to other members of your family while creating an odor that can spread throughout the house along the way.—
Lauren Wicks,
Southern Living,
11 Sep. 2025
Cite this Entry
“Infection.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infection. Accessed 17 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share