global science framing
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EarthSky · United States · H5 bird flu reaches Australia, the last continent to fall, in a migratory skua
Frames the milestone: with the Australian case, H5N1 has now reached all seven continents, completing a global spread that began with the 2020 panzootic and devastated wild birds and mammals worldwide.
“With the Australian detection, H5N1 has now spread to all seven continents, completing a global panzootic begun in 2020.”