Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, according to the Centers from Disease Control and Prevention.

When H5N1 first came to the attention of infectious disease professionals 20 years ago, there was concern it could mutate and ...

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

Before future studies would uncover a link between Nipah outbreaks and the felling of native forests for the purposes of ...

There have been an estimated 24 million flu illnesses, 310,000 hospitalizations and 13,000 deaths so far this season — but the Trump administration has made it harder to communicate vital health data.

The worker was infected with a type of bird flu that’s different from the version that has been spreading in U.S. herds since ...

One in every three flu tests came back positive last week, according to the Centers for Disease Control and Prevention.

Flu cases are surging across the country – more than half of states are now at “very high” levels, the most severe designation by the Center for Disease Control and Prevention – but is ...

The views expressed in this commentary are solely those of the writer. CNN is showcasing the work of The Conversation, a ...

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

Is the COVID-19 vaccine safe and effective for infants and young children? Here's what parents need to know about vaccinating their babies and toddlers against COVID-19.