WASHINGTON—Bird flu cases are rising rapidly in the United States and around the world. A new study traces how the disease spread over the last two decades from Asia to Europe, Africa and the Americas ...

Since 1959 the avian flu virus H5N1 has been popping up around the globe. Now scientists believe it could spark the next ...

Reducing access to care, research, and curtailing health information available — someone please connect the dots that ...

Bird flu has been identified in a single sheep in the UK, marking the first time the virus has been found in the country ...