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 normally infect animals, typically fruit bats, but outbreaks among humans can sometimes start when people eat or handle infected animals.

From BBC • May 18, 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

He would infect a few monkeys with the virus, and then he would treat them with drugs in the hope that they would get better.

From "The Hot Zone" by Richard Preston