Migrating wild birds are spreading the virus to domesticated flocks, increasing the risk of eventually seeing a human outbreak. Scientists are troubled by the muted federal response.

A legal aid group that represents farm workers is suing the state agriculture department claiming it is not sharing the locations of dairies that are experiencing H5N1 bird flu outbreaks, and that has endangered the public and put workers at risk.

Axios Visuals Washington state has the second-highest number of recent bird flu cases in the country, with nearly 2 million cases last month. Why it matters: The H5N1 flu is continuing to evolve and spill over to other species,

Bird flu cases are increasing in Northern Indiana, posing a significant threat to cats, according to health officials. There have been 19 confirmed cases of bird flu in Indiana. While this virus primarily affects birds and poultry, it can occasionally affect humans, though the risk of severe symptoms is low. However, cats are more vulnerable.

A dangerous type of bird flu virus (called H5N1) continues to circulate among dairy cows in the US. The virus targets the mammary gland's milk-secreting epithelial cells, causing painful infections in the udder.

Researchers reported encouraging results from an early phase clinical trial that found an experimental intranasal vaccine triggered a broad immune response against multiple strains of H5N1 “bird flu”.

The UK Health Security Agency (UKHSA) still says the risk to the general public's health is "very low" while the Food Standards Agency (FSA) has said bird flu poses a very low food safety risk and that properly-cooked poultry and eggs are safe to eat.

Experiments suggests H9N2 has adapted to human cells, but cases of person-to-person transmission haven’t been reported yet

BlueWillow’s NanoVax ® W 80 5EC adjuvant, previously named NE01, is the most advanced intranasal adjuvant in development and warrants further investigation as a platform technology for advancing mucosal vaccination against a range of respiratory pathogens.