Science ❯Biology ❯Virology ❯Pathogens

Influenza Viruses

H5N1 Bird Flu in U.S. Expands with New Variant Detected in Dairy Cows

Highly Pathogenic Bird Flu Detected in France, U.K., and U.S., Raising Global Concerns

First Severe Human Case of H5N1 Bird Flu Reported in the U.S.