Not long after the first flu shot was introduced in 1945 by University of Michigan virologist Thomas Francis and his ...

We have been hearing a lot about avian influenza, or H5N1, and the price of eggs in the news recently. It got me thinking: ...

The flu is an illness caused by the influenza virus, which multiplies inside the body, causing symptoms that include fevers and sore throats. Nearly everyone who has probably caught the flu at some ...

It’s not totally clear why flu is hitting so hard this year. One possibility is that it got off to a late start, so the ...

Fluctuating weather patterns — with sudden shifts in temperature — are known to weaken the immune system, making people more susceptible to viral infections.

In response to this season’s high flu activity and the ongoing avian flu outbreaks, the Centers for Disease Control and Prevention (CDC) has advised clinicians and laboratories to conduct subtype ...

Influenza infections are outpacing COVID-19 cases for the first time since the pandemic. Here are the best ways to stay ...

Simultaneous outbreaks of norovirus, birdflu, influenza, COVID-19 and respiratory syncytial virus are occurring across the ...

Bird flu, or H5N1 avian influenza, has been circulating across North America since 2022, infecting birds, livestock, wildlife ...

A new H5N1 bird flu mutation has appeared in a cluster of infected dairy cows. It's a genetic change that scientists say ...

Bird flu is changing rapidly, increasing the chances of more humans getting sick. Arizona must do more now to contain the ...

Wisconsin has seen one of its worst flu seasons in the past decade. Here's what DHS data says about cases statewide.