What’s the difference between flu A vs. flu B? Doctors explain the two common strains of the flu, including symptoms, ...

As families gather for Thanksgiving, here's what to know to protect your family from the new subclade K flu strain.

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

Indonesia's Ministry of Health has confirmed five child deaths in Datai Hamlet, Indragiri Hulu Regency, Riau Province, after laboratory tests showed ...

Learn the key symptom differences between flu strains, which is more dangerous, and how the vaccine protects you from both ...

A seasonal flu virus suddenly mutated in the summer; it appears to evade some of our immunity; has kick-started a flu season more than a month early and is a type of flu that history suggests is more ...

Public health officials say a mutated strain of Influenza A H3N2 is spreading in the United States and other countries, ...

Public health officials say a mutated strain of Influenza A H3N2 is spreading in the United States and other countries, ...

Health officials in Illinois are warning of a new and unexpected mutation that could make for a "more serious flu season" as ...

Health officials are on alert for a challenging flu season due to a new, rapidly spreading H3N2 strain, Subclade K.

ANSWER: Both colds and influenza (the “flu”) are respiratory illnesses that are caused by viruses. Influenza is caused specifically by the influenza viruses, which come in two main types (A and B).