State officials are warning the public to avoid handling birds and other wildlife as suspected avian flu cases are now “widespread” in Massachusetts.

Are you a cat owner? Mass. officials say you should be aware of the current bird flu outbreak, and here's why.

State environmental and health officials said Wednesday that bird flu is suspected to be the cause of death in cases of both wild and domestic birds in several Massachusetts communities. As a result of these cases,

Lithuania has reported an outbreak of highly pathogenic H5N1 avian influenza, commonly called bird flu, on a laying hen farm in the western part of the country, the World Organisation for Animal Health (WOAH) said on Wednesday.

What is H5N9 and how is it different from H5N1? Scientists classify bird flu viruses by which kind of two key proteins are inside of them: the hemagglutinin, like H5 or H3, and th