Everything has a timeline

TiMELiNES

1800

Vaccination spreads in Europe and North America

Cowpox vaccination was increasingly adopted outside Britain.

Canonical milestoneEurope and North America1 timeline

Context

Appears In

TimelineTimeline of Smallpox Eradication

Position 8

Authority

Sources

WHOConfidence 99%

Taxonomy

Tags

public-healthmedicinesmallpox