variolation

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Images

Wood engraving of a 19th-century hospital ward with rows of beds, patients lying under blankets, and nurses attending to them. Tall windows line both sides of the long room.

Vaccine timeline

variolation: Media

medicine

Images

Wood engraving of a 19th-century hospital ward with rows of beds, patients lying under blankets, and nurses attending to them. Tall windows line both sides of the long room.

Smallpox

A ward in the Hampstead Smallpox Hospital in London, England. The hospital was built...

© Universal History Archive—Universal Images Group/Getty Images

Interactives

Vaccine timeline

Vaccine timeline

An interactive timeline on the development of vaccines.

Encyclopædia Britannica, Inc. / Lucia Barnum

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