Avian flu kills 20 big cats

Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...
Bird flu has taken a terrible toll at the Wild Felid Advocacy Center, a sanctuary for wildcats and their hybrids on Harstine ...
Nearly two dozen big cats died after bird flu swept through the sanctuary where they lived. The Wild Felid Advocacy Center ...
A backyard flock in Vermont was sickened with H5N1, agricultural officials said on Thursday, following other reports of bird ...
The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for ...