For the flu, vaccination trends are a little muddier. Some sources have suggested flu vaccinations are down. Over two million ...

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 ...