Everything has a timeline

TiMELiNES

2009

WHO declares the H1N1 influenza pandemic

The organization formally recognized the worldwide spread of the new influenza A(H1N1) virus.

Canonical milestoneGlobal1 timeline

Context

Appears In

TimelineTimeline of the World Health Organization

Position 19

Authority

Sources

Encyclopaedia BritannicaConfidence 95%

Taxonomy

Tags

influenzapandemicwho