The flu shot works by introducing your body to antigens, which helps your immune system produce antibodies that allow your body to fight infection.

Flu, COVID-19, the common cold and RSV have similarities, but they differ in their severity, contagiousness and symptoms.

In the US, the flu season starts in October and can go until early spring, with cases peaking in February.

Influenza is an infectious disease of the mouth, nose and upper airways caused by a flu virus. In Europe, during the 15th and 16th centuries, people believed flu epidemics were influenced by the ...

After a rough, record-setting flu season, doctors and health officials are bracing for another wave of fever, misery and ...

Flu is a respiratory virus that causes fever, fatigue, body aches, headache and cough. While some people can fight it off at ...

Flu season is approaching in the United States. Here's what you can expect this winter — and when to get your flu vaccine to ...

As we enter the beginning of flu season, October is a great time to get your shot, experts agree. After you receive the flu ...

BBC Morning Live's Dr Oscar Duke shares his advice on how to identify whether you have cold, flu or Covid and how to look ...

While it wasn't clear whether Keaton had any underlying conditions, doctors say "perfectly healthy" people can die from ...

With flu season right around the corner, now’s the best time to receive the flu vaccine, experts say. “The flu vaccine is one of the most important things that people can do to protect themselves as ...