infection

References & Edit History Related Topics

Images, Videos & Interactives

World Health Organization

Color-enhanced microscope image showing numerous rod-shaped EHEC (E. coli) bacteria in pink on a textured yellowish surface.

Vaccine timeline

Tick-borne disease cases in the United States

Infographic showing estimated lives saved by childhood vaccinations worldwide from 1974 to 2024, with syringe-shaped bars for each disease. Measles tops the list at 93.71 million lives saved, followed by tetanus, whooping cough, and others, for a total of 153.84 million lives saved.

Why you should finish your prescribed antibiotics

The difference between viral and bacterial infections

What are potential benefits of harvesting ocean bacteria?

What are chronic infections?

infection: References & Edit History

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Article Contributors

Primary Contributors

Kara Rogers
Kara Rogers is the senior editor of biomedical sciences at Encyclopædia Britannica, where she oversees a range of content from medicine and genetics to microorganisms. She joined Britannica in 2006 and has been a member of the National Association of Science Writers since 2009.

Article History

Type	Description	Contributor	Date
	New article added.	Kara Rogers	Aug 29, 2025