The Centers for Disease Control and Prevention is keeping close eye on pandemic indicators amid bird flu cases arising in the United States.

The virus has spread among dairy cattle, humans and other mammals. But officials say the current public health risk is low.

Over the last few weeks bird flu has been found in four commercial flocks in West Michigan with the most recent case being ...

France has confirmed bird flu outbreaks on two poultry farms, just days after being officially declared free of the virus, ...

The CDC has revealed the red flags it is monitoring for that suggest that bird flu was about to become the world's next pandemic.

The patient in Louisiana who was hospitalized with severe bird flu illness was found to have a mutated version of the virus.

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

The bird flu outbreak has spread to all 50 states, these maps show. Here are the symptoms and what to do if you think you ...

Bird flu virus has swept through farms across the nation’s largest dairy producing state. All human cases had been mild - ...

So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning." ...

Genetic analysis suggests the bird flu virus has the capacity to mutate in ways that could make it more transmissible to ...

A virologist explains that why this probably isn’t the big one — but that it’s a sign of bad things happening with the virus.