Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian influenza virus, according to new research from the Perelman School of Medicine at the University of Pennsylvania.

Scientists are sounding alarms about a genetic mutation that was recently identified in four dairy cow herds, nearly one year after H5N1 bird flu was first reported in Texas dairy cattle.

India reports its first H5N1 bird flu cases in domestic cats raising concerns about its potential spread to humans Experts warn of mutations—should we be worried

Life science companies developing bird flu vaccines are gaining attention as the avian influenza subtype H5N1 becomes an increasing concern. The United States is in the midst of an H5N1 bird flu outbreak that began in February 2024 and is now threatening the nation’s poultry and cattle industries.

A case of highly pathogenic avian influenza was detected in a mixed species backyard flock in Dallas County, according to the Iowa Department of Agriculture and Land Stewardship. H5N1 strain of the bird flu has impacted more than 166 million birds in backyard and commercial poultry operations since 2022,