The U.S. flu season is starting slowly, and it’s not clear if it will be as bad as last winter’s. But some health experts are ...

The mutated strain, known as subclade K, is causing a surge in cases in the United Kingdom, Canada, and Japan. Here's what to ...

Among patients hospitalized with severe influenza, those with A(H1N1) have more high-risk clinical indicators vs those with other subtypes.

A mutated strain of the flu is surging worldwide, sparking concerns about a severe flu season in the U.S. Here's what to ...

Health Minister Budi Gunadi confirmed a recent uptick in influenza cases across Indonesia but said the increase is part of a ...

The British- and US-funded study by researchers at the Harvard School of Public Health (HSPH), which appears online in the journal PLoS Medicine, said the swine flu pandemic appears far "milder" than ...

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Flu season is generally hard on seniors, but this year the H1N1 strain of influenza that is dominating the local scene has ...

A fast-moving variant of the H3N2 influenza A virus is spreading worldwide, raising concerns among health experts that the United States could be in for a tougher flu season than usual. Outbreaks in ...