Livestock traders also said they were tracking news that Brazil began a 28-day bird flu observation period, which it hopes ...

Health officials are making a renewed call for vigilance against bird flu​, but some experts are puzzling over why reports of ...

The H5N1 bird flu has been spreading widely among wild ... We'll catch you up on the news you need to know with the Chicago Catch-Up newsletter. That could mean the U.S. is experiencing a natural ...

Brazil's poultry industry is reeling from the country's first bird flu outbreak on a commercial farm, but officials hope ...

NEW YORK — More U.S. children have died this flu season than at any time since the swine flu pandemic 15 years ago, according to a federal report released Friday. The 216 pediatric deaths ...

The good news is that flu indicators have been waning since February. Feeling out of the loop? We'll catch you up on the news you need to know with the Chicago Catch-Up newsletter. The Associated ...

Studies help bear out that well-rested people who received the flu vaccine developed stronger protection against the illness. Not getting enough sleep can lead to higher levels of a stress hormone.

NEW YORK -- More U.S. children have died this flu season than at any time since the swine flu pandemic 15 years ago, according to a federal report released Friday. The 216 pediatric deaths ...