The United States may be headed for a rough flu season, with a virus that causes more severe symptoms than the one last year ...

A mutated strain of influenza A, H3N2 subclade K, is surging worldwide, sparking concerns about a severe flu season in the ...

While flu levels are still low, a strain that's wreaked havoc in the U.K. and Canada is behind most cases so far in the U.S., ...

But health experts are warning this winter could see the most severe flu outbreak in decades as a new strain threatens to ...

In 1918, a flu pandemic caused by a strain of H1N1 infected 500 million people worldwide. It was known as the Spanish flu, and at least 50 million people died.

A new strain of the flu called subclade K could make for a particularly nasty flu season across the country, according to public health experts.  The strain already caused Japan to declare an ...

Flu season has come early this year and the NHS is bracing for what bosses say could be the toughest winter staff have ever ...

What is the H3N2 flu strain? Symptoms you need to look out for as UK cases surge - Health bosses are warning this winter ...

A leading pharmacist has issued an urgent warning to parents as cases of a new flu strain, which could be life-threatening, ...

Microbiologist explains that there are already data warning signs that this winter could be one of UK's worst for seasonal flu.

Bird Flu 101: Decoding Transmission, Symptoms and Prevention Against the Avian Influenza: By Shreoshree Chakrabarty Bird flu, also known as avian influenza (AI), is a zoonotic viral disease that ...

If you feel ill but your symptoms are only above the neck — a stuffy nose, a bit of a sore throat — you could just have a common cold, said Dr. William Schaffner, an infectious disease specialist at ...