Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

The swine flu outbreak is spawning debate about how people get information during health emergencies -- especially at a time when news sources are becoming less centralized. Some observers say Twitter ...

A highly pathogenic strain means outbreaks in the last four months have already surpassed last year's total.

Additional outbreaks of highly pathogenic avian influenza (HPAI) in commercial poultry have been confirmed by these countries over the past two weeks.

Last week, the Trump administration announced changes to the recommended childhood vaccination schedule by the Centers for Disease Control and Prevention, removing overall recommendations for ...