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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

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Lyme disease is a bacterial infection that is spread through the bite of infected black-legged ticks — also known as deer ticks.

From Los Angeles Times Jun. 25, 2026

Among them was a pregnant mother whose toddler was hospitalized; she said she caught his bacterial infection and had a miscarriage at 20 weeks.

From Salon Jun. 22, 2026

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

Perhaps Phineas has a low-grade bacterial infection or perhaps a brain tumor.

From "Phineas Gage" by John Fleischman

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