Persistent symptoms can harm the lungs and other organs, including the brain.

Your body needs some time to build protection, but getting vaccinated too early also has its downsides If getting your flu ...

When people think of the influenza vaccine, they likely have a strong image of it being something injected into the ...

Other traditional flu vaccine options remain available based on age. Standard-dose vaccination and an egg-free, cell-based ...

U.S. flu season typically ramps up in October, with cases often peaking between December and February.

Influenza, or the flu, is a contagious virus that affects your breathing and attacks your immune system. The flu mainly ...

A new flu vaccine has been approved in the US for adults 50+, bringing mRNA technology into seasonal flu prevention and ...

The FDA’s approval of an mRNA flu shot presents a new, long-awaited option—and raises big questions about the future of flu ...

Here’s the latest on the outlook for flu, COVID-19 and RSV from public health veterans and info on what vaccinations are ...

As fall rolls in, so do common viruses such as the flu, COVID-19 and RSV. Learn how to protect yourself, your friends and ...

Prior exposure to one strain of influenza virus may weaken children's ability to mount an effective antibody response against their subsequent exposure to a different flu strain, according to a study ...

A Washington resident has been hospitalized with bird flu, according to the Washington State Health Department, and they’re infected with a strain of the virus that hasn’t been seen in humans before.