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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

Rivera's death was announced May 31 by the Nicaraguan health ministry, which said his health failed because of a bacterial infection caused by the Covid-19 virus.

From Barron's Jun. 8, 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

And many men also suffered from trench mouth, a severe bacterial infection of the gums, another hazard of life in the trenches, caused by poor diet, poor hygiene, and smoking.

From "The War to End All Wars: World War I" by Russell Freedman

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