The idea is biologically plausible and historically grounded—and it reframes how we think about the origin of pandemics.

SAO PAULO -- SAO PAULO (AP) — Brazil, one of the world’s largest producers and exporters of poultry, on Friday confirmed the country's first bird flu outbreak on a commercial farm, the country's ...

Brazil, the world's largest chicken exporter, on Friday reported its first case of highly pathogenic avian influenza - also ...

Highly pathogenic avian influenza viruses were found in 38 people in CA from Sept. 30 to Dec. 24, 2024, including the first pediatric case in the US.

A Federal Court judge has tossed out a challenge that would have stopped the killing of about 400 ostriches on a British ...

2025 — Pre-existing immunity against seasonal H1N1 flu might help explain why most reported human cases of H5N1 bird flu in the U.S. have not resulted in ... Feb. 24, 2025 — Knowing where ...

Participants with ongoing long-COVID symptoms were more likely to report any productivity loss in the preceding 3 months ...

The first death caused by H5N1 bird flu was reported in January 2025. Some believe the virus could eventually pose a ...

The worrying alert comes just months after the world's first case of bird flu was identified in a sheep in the UK ...

As more humans become infected by H5N1 bird flu, experts worry of a new pandemic with 70 human cases in the U.S. including 1 ...

As avian flu continues to spread across the country, recent detections in New Jersey—including in Mercer County—have raised ...

No commercial poultry farms in Saskatchewan have encountered avian flu yet, but recent cases in backyard flocks have prompted ...