An influenza outbreak swamped the US as the year came to an end, reaching the highest levels since the Covid-19 pandemic and ...

It’s getting called a “super flu” and the latest federal data shows Florida and 29 other states are now in the top tier of ...

Study findings explain why pandemics spread faster than detection efforts, based on U.S. data from H1N1 and COVID-19.

Both H1N1 and COVID-19 spread across the U.S. faster and more unpredictably than early detection systems could keep up.

The US is experiencing its highest infection rate in nearly three decades, according to flu statistics released by the CDC on ...

The viral malady that brings on coughing, fever, chills and body aches “has been increasing over the last two weeks, thanks ...

Health officials and researchers stress vaccines probably still offer protection against the worst effects of the strain.

Were you or a loved one sick over the holidays? Here's what to know about new influenza variant and how to stay healthy ...