First Confirmed Cases of Bird Flu in California Elephant Seals Stoke Fear As Virus Surges Worldwide

Last week, a day that ecologists and virologists in California have feared for years finally arrived.  Officials confirmed seven weaned northern elephant seal pups tested positive for highly pathogenic avian influenza (H5N1) amid a national surge of the deadly virus. When it tore through multiple colonies of the closely related southern elephant seal in South … Read more

Early Release – Avian Influenza A(H9N2) Virus Transmission across Chicken Production and Distribution Networks, Vietnam – Volume 32, Number 2—February 2026 – Emerging Infectious Diseases journal

Disclaimer: Early release articles are not considered as final versions. Any changes will be reflected in the online version in the month the article is officially released. Mathew Hennessey , Thuy Hoang Thi, Jayna Raghwani, Younjung Kim, Hoa Thi Thanh Pham, Trang Huyen Nguyen, Hung Quoc Nguyen, Joshua G. Lynton-Jenkins, Ashley C. Banyard, Ian H. Brown, … Read more

Bird flu antibodies detected at Dutch dairy farm, a first in Europe

antibodies against avian influenza have not previously been detected in dairy cattle in Europe. Image created with the help of AI (Reve.art) Avian influenza antibodies have been detected in a dairy cow at a dairy farm in Friesland, the Netherlands, marking the first such finding in European cattle. No evidence of active viral circulation of … Read more

Genomic analysis reveals how bird flu jumped from wild birds to poultry and people

A novel bird flu genotype is driving a surge in outbreaks across wild birds, poultry, and even a human in British Columbia, raising urgent questions about how this virus is evolving and what it means for future pandemic preparedness. Study: Highly Pathogenic Avian Influenza A(H5N1) in Wild Birds and a Human, British Columbia, Canada, 2024. Image … Read more

New model reveals H5N1 is spreading undetected in US dairy herds

A powerful simulation of H5N1 transmission across 35,974 US herds shows that the virus is far more widespread than reported, raising urgent calls for better farm surveillance and stronger disease control. Study: A mathematical model of H5N1 influenza transmission in US dairy cattle. Image Credit: Clara Bastian / Shutterstock In a recent study in the journal Nature … Read more

The Looming Threat of an Avian Influenza Pandemic

The avian influenza virus A(H5N1), once confined to sporadic outbreaks in Asian poultry, has since 2020 evolved into a global panzootic, spreading via wild birds and causing significant mortality among avian populations. Notably, the virus has crossed species barriers, infecting mammals such as foxes, lynxes, mink, and sea lions. In February 2024, a concerning development … Read more

Vaccine trial shows promise for saving California condors from bird flu

In a high-stakes trial prompted by a deadly outbreak, researchers tested a poultry flu vaccine in condors and found promising immune responses, offering a new lifeline for one of North America’s rarest birds. Image Credit: Amy Osier / Shutterstock A team of US-based researchers recently tested the safety and efficacy of a licensed avian influenza vaccine in … Read more

Bird Flu’s Unprecedented Global Spread Sparks Alarm

Rapid spread of the H5N1 avian influenza virus has reached an “unprecedented” scale this season, wiping out hundreds of millions of birds worldwide and increasingly infecting mammals, the Food and Agriculture Organization (FAO) of the United Nations warned on March 16. The spread of the virus poses significant risks from food and public health perspectives. … Read more

Next Pandemic Alert: H5N1 Threat Reaches Our Shores

H5N1 Bird‍ Flu: A Looming Threat to U.S. Food Security and Global ⁤Stability Table of Contents H5N1 Bird‍ Flu: A Looming Threat to U.S. Food Security and Global ⁤Stability Tracking a‍ Deadly Virus: From Geese⁢ to Global Pandemic? the U.S. at ⁤Risk: ‍A⁢ Perfect storm for Pandemic ‌Potential? Counterarguments and Mitigation Strategies The ‍road Ahead: … Read more