Symptoms usually come on suddenly, according to the CDC, and can include fevers above 100.4 degrees F, dry cough, sore throat ...

Avian influenza, commonly termed “bird flu”, is caused by the avian influenza virus A. This virus is usually found in wild ...

The flu vaccine is generally about 40% effective at completely preventing influenza, according to Blumberg. The flu vaccine ...

As an unusually strong wave of flu infections spreads across Japan this winter, experts have shared tips with the Mainichi ...

Avian influenza A (H5N1) has mutated, so the symptoms of bird flu could change as more people get sick in 2025.

Flu has surged to high levels across the US, straining hospitals. Experts discuss 2024-25 flu season trends, symptoms to ...

Seasonal flu tends to spike from December to February. People who become infected tend to get a sore throat, cough, runny ...

Regular BBC Morning Live guest, Dr Ranj Singh, has issued a warning urging people not to rush to the shops for certain ...

Missouri is at "high," Kansas at "very high" transmission levels for influenza activity ...

A child ill with fever and conjunctivitis in San Francisco tested positive for bird flu but had no known source of ...

Respiratory viruses are surging through Arizona and Valley doctors are cautioning people: flu season is not over yet.

Respiratory illnesses are rising in B.C., with flu and respiratory syncytial virus (RSV) cases climbing, especially among ...