Bird flu is continuing to spread in animals across the U.S. Here's what you need to know about the current situation.

It's spring, the birds are migrating and bird flu (H5N1) is rapidly evolving into the possibility of a human pandemic.

Among animals, more than 169 million commercial poultry or backyard birds have been infected in the current H5N1 outbreak, ...

"Nasal spray H5N1 avian influenza vaccine developed." ScienceDaily. www.sciencedaily.com / releases / 2025 / 04 / 250408122112.htm (accessed May 3, 2025). Explore More ...

open image in gallery Millions of poultry birds have been culled after they were exposed to H5N1 bird flu. Now, researchers say a vaccine candidate has the ability to protect mice against a deadly ...

Torie Bosch is the First Opinion editor at STAT. In 2024, as zoos were hit hard by H5N1 bird flu, big cats were particularly affected: tigers, lions, a cheetah, and a panther all died after being ...

A team led by researchers say public ignorance and apathy towards bird flu (highly pathogenic avian ... eliminate harmful bacteria and viruses like H5N1. Over a quarter (27%) of respondents ...

As leaders of NIOSH-funded centers focused on occupational safety and health, we worry that the loss of occupational health expertise will have irreparable consequences for H5N1 bird flu response ...

This bird flu, which scientists call highly pathogenic avian influenza, or H5N1, is already at panzootic—animal pandemic—status, killing birds in every continent except for Australia ...

This is believed to be the first instance of mammal to human spread of the H5N1 strain. Bird flu has also been causing outbreaks in poultry, leading to human cases among U.S. poultry farm workers ...