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bacterial infection

Cultural  
  1. An infection caused by bacteria. The growth of many disease-causing bacteria can be halted by the use of antibiotics. (Compare viral infection.)


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Diseases caused by bacterial infections include diphtheria, gonorrhea, tuberculosis, and typhoid fever.

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.

The ministry said Rivera's "physical and neurological deterioration" was "a consequence of a bacterial infection caused by the COVID-19 virus."

From Barron's • May 31, 2026

Lyme disease is a bacterial infection that can be spread to humans by infected ticks, and affects an estimated 476,000 Americans each year.

From The Wall Street Journal • Mar. 23, 2026

Karen's daughter, Liz, said she believed her mother contracted shigella while on holiday, a bacterial infection that can affect the gut.

From BBC • Feb. 12, 2026

The study, published in Nature Chemical Biology, shows that an antibody created in the laboratory was able to eliminate a normally fatal bacterial infection in mice.

From Science Daily • Feb. 6, 2026

“He was a day away from a bacterial infection that would have stopped his heart,” I said.

From "Adrift" by Paul Griffin

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