Cambodia's health ministry today announced another human H5N1 avian flu case of the year, involving a 5-year-old boy from ...

The virus has not yet evolved to spread efficiently between people. Excellent vaccine technology exists, but the government ...

If we don’t invest in technologies like mRNA vaccines for pandemic influenza now, once a virus starts going human-to-human, ...

South Africa is grappling with a resurgence of the H5N1 bird flu, following outbreaks on poultry farms in Tswaing and Mkhondo ...

Cambodia's health ministry yesterday reported two more human H5N1 avian flu cases, part of a spike in cases in June, with six ...

The H5N1 avian influenza virus has infected birds and mammals around the world. As of June 2025, 70 people have been infected ...

President Trump announced he's pulling the U.S. from the WHO. Now researchers are scrambling to understand what that means for the H5N1 bird flu pandemic.

If the H5N1 bird flu virus ever acquires the ability to transmit easily to and among people — keep your fingers crossed that it doesn’t — the world is going to need serious amounts of ...

Hospital workers reported respiratory symptoms after encountering a Missouri patient with H5N1 who had not been exposed to farm animals. Officials say bird flu transmission is unlikely.

Owner of two cats that died after drinking H5N1 recalled milk threatens to sue. Joseph Journell of San Bernardino cuddles Thursday with his cat Big Boy, who is recuperating from H5N1 bird flu.

H5N1 could develop the capability for person-to-person transmission in a few ways. In the process of replicating, viruses could acquire random mutations that make them better suited to a human host.

Highly pathogenic avian influenza A(H5N1) viruses were first recognized to cause human illnesses in Hong Kong in 1997. As of November 1, 2024, more than 900 human cases in 24 countries had been ...