Eleven states are experiencing very high levels of flu and some schools have been closed by the burden on students and staff.

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

In a breakthrough for influenza research, scientists have discovered immune cells that can recognize influenza (flu) viruses ...

For a second time this season, at least 41 states are reporting high or very high levels of the flu. Here's how to stay safe.

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.

Dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows, putting virologists ...

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most common and the most severe.

(NEXSTAR) – The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests ...

The data, which appeared fleetingly online on Wednesday, confirmed transmission in two households. Scientists called on the ...

For the week ending Jan. 25, seasonal flu activity remains high and increasing. Clinical laboratories tested 129,378 ...

Veterinarians and public health officials say this and other information frozen in the “immediate pause” on communication ...

When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that may lead to human-to ...