Everything has a timeline

TiMELiNES

1960

Mass vaccination sharply reduces polio in many countries

Routine immunization cut transmission across much of the world.

Canonical milestoneGlobal1 timeline

Context

Appears In

TimelineTimeline of Polio Eradication

Position 10

Authority

Sources

World Health OrganizationConfidence 98%

Taxonomy

Tags

public-healthdiseasevaccination