Everything has a timeline

TiMELiNES

2020

Africa region certified free of wild poliovirus

A historic certification marked huge progress despite ongoing vaccine-derived outbreaks.

Canonical milestoneAfrica1 timeline

Context

Appears In

TimelineTimeline of Polio Eradication

Position 18

Authority

Sources

World Health OrganizationConfidence 98%

Taxonomy

Tags

public-healthdiseasevaccination