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infect

[in-fekt] / ɪnˈfɛkt /


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.

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Rabies is a rare but serious viral disease that can infect the brains of both people and animals, according to the California Department of Public Health.

From Los Angeles Times ● Oct. 1, 2026

He goes on to emphasize that what Claude found — a previously uncharacterized enzyme system found in viruses that infect bacteria — isn’t necessarily going to be useful.

From Salon ● Sep. 30, 2026

But because Ebola strains like the Zaire variant were so lethal, they quickly ran out of new people to infect before they could move on to another area.

From The Wall Street Journal ● Aug. 6, 2026

The resulting 16 novel viruses were created to infect bacteria and pose no threat to people.

From BBC ● Aug. 6, 2026

Walter’s case taught me that fear and anger are a threat to justice; they can infect a community, a state, or a nation and make us blind, irrational, and dangerous.

From "Just Mercy" by Bryan Stevenson

It’s caused by a bacteria called Yersinia pestis that infects fleas and the small mammals that host fleas, and there are actually three types of plague depending on which part of the body becomes infected.

From Slate ● Oct. 8, 2026

The other forms of plague are bubonic, which infects the lymph nodes, and septicemic, which is transmitted in the bloodstream and is also very deadly.

From The Wall Street Journal ● Oct. 6, 2026

Rabies infects very few humans in the United States and California, according to the state public health department.

From Los Angeles Times ● Oct. 1, 2026

However, this practice could act as a superspreader event – where a disease infects an unusually high number of people or animals – of the H5N1 virus.

From Science Daily ● Aug. 24, 2026

Engineered pollen blows just as easily as the original kind and infects all traditional plants in its path.

From "The Adoration of Jenna Fox" by Mary E. Pearson

Ebola spreads through direct contact with the bodily fluids of an infected person who has developed symptoms, or through contaminated materials.

From BBC ● Oct. 10, 2026

It’s caused by a bacteria called Yersinia pestis that infects fleas and the small mammals that host fleas, and there are actually three types of plague depending on which part of the body becomes infected.

From Slate ● Oct. 8, 2026

The Ebola virus spreads through contact with infected bodily fluids such as blood or vomit.

From BBC ● Oct. 7, 2026

In Pennsylvania’s Lancaster County, where around 400 people have been infected and three have died, 87.6% of kindergartners in the 2025-26 school year were fully vaccinated against measles.

From The Wall Street Journal ● Oct. 7, 2026

Nana laughed, a bright, joyous sound that infected anyone listening.

From "Tristan Strong Punches a Hole in the Sky" by Kwame Mbalia

Measles patients are ushered to negative-pressure rooms to avoid infecting others in hospitals.

From The Wall Street Journal ● Oct. 7, 2026

A city-commissioned inspection report found that waste and high temperatures at the warehouse could speed up the breeding of flies capable of infecting wounds in both people and animals, a local NBC affiliate reported, external.

From BBC ● Aug. 9, 2026

Before the virus was identified, it spread from herd to herd, infecting cattle and contaminating their surroundings.

From Science Daily ● Jun. 23, 2026

With hantavirus, the incubation period can take up to six weeks, so people must be isolated for a really long time to ensure they won’t get sick and start infecting others.

From Slate ● May 16, 2026

He wasn’t at all sure whether he’d really been sick or whether his conscience had revolted, infecting his body, leaving him weak and nauseous.

From "The Chocolate War" by Robert Cormier




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