A deadly form of avian influenza has spread across the eastern half of the US, killing commercial flocks of chickens and turkeys and wild birds, but doesn't pose a threat to humans, officials said.
A deadly form of avian influenza has spread across the eastern half of the US, killing commercial flocks of chickens and turkeys and wild birds, but doesn t pose a threat to humans, officials said.
A deadly form of avian influenza has spread across the eastern half of the US, killing commercial flocks of chickens and turkeys and wild birds, but doesn't pose a threat to humans, officials said.