infect

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.

Ebola viruses naturally infect animals – mainly fruit bats – but people can become infected if they come into close contact.

From BBC • May 17, 2026

They calculated that the virus’s infectiousness—an estimate of how many people one contagious person will infect on average—is 2.1.

From The Wall Street Journal • May 16, 2026

She did not infect anyone else after her return despite taking two commercial flights in the U.S. when sick and before she was hospitalized in Delaware.

From Los Angeles Times • May 14, 2026

They infect in different ways and are classed in entirely different phylums, meaning they are not remotely related.

From Salon • May 11, 2026

Some of Chip’s despair was beginning to infect Jonah.

From "Found" by Margaret Peterson Haddix