Storyline
H5N1 bird flu global spread 2026
One page that accretes the verified record as the story develops. Every fact keeps its date and its sources.
22 DAYS
17 FACTS
5 EVENTS
2 SOURCES
FIRST ENTRY AUG 03
AUG 24 · Day 22
Backyard bird feeding flagged as potential bird flu superspreader
Humans in close contact with infected wildlife can contract H5N1.
Sightings of sick or dead birds or marine mammals should be reported to the Emergency Animal Disease Hotline on 1800 675 888.
Backyard bird feeding could act as a superspreader event of the H5N1 virus.
AUG 03 · Day 1
Australia warns H5N1 likely to spread after first mass mortality event
Australia was the last continent to report a case of H5N1 bird flu.
The H5N1 virus has killed hundreds of millions of birds and mammals around the world in recent years.
Australia experienced its first mass mortality episode of H5N1 bird flu among seabirds, killing approximately 50 greater crested terns off the coast south of Adelaide.
MAR 02 · Day -153
Bird flu case confirmed in Dane County, Wisconsin
FEB 19 · Day -164
Bird flu suspected outbreak causes mass bird deaths in New Jersey
NOV 17 · Day -258