The US Department of HHS is awarding the pharmaceutical company Moderna $590 million to continue developing a vaccine to protect against bird flu.

An earlier version of this story reported that the virus had been detected since then.) The number of bird flu ...

Bird flu has had a nationwide effect causing harm to the poultry and domestic animals but it also has been posing a risk to human health. While the health risk is low, people have been cautioned.

All nine macaques given the control developed severe disease when exposed to bird flu, as did all given the smallest dose of ...