- present participle of infect.
infecting
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.
Around 3 a.m. one night, they observed one of their viruses successfully replicating, and infecting and killing bacterial cells.
From The Wall Street Journal ● Aug. 7, 2026
Rather than primarily infecting the lungs, H5N1 caused severe infections in the udders while leaving the respiratory system largely unaffected.
From Science Daily ● Jun. 23, 2026
In an interview with the Reuters news agency, Gaston urged the child and her mother to go to a health centre, as they risked "worsening their health" and "infecting their relatives".
From BBC ● Jun. 17, 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
The ones causing the epidemic to grow — the ones who were infecting two and three and four and five others with their disease — were the remaining 168.
From "The Tipping Point" by Malcolm Gladwell
