Medical research

Newly discovered antibody recognizes many strains of flu virus

Some vaccines are once-in-a-lifetime; others need a booster shot or two to maintain their potency. And then there's the flu vaccine, which only lasts a year. Strains of influenza virus change so much from year-to-year that ...

Diseases, Conditions, Syndromes

WHO urges more surveillance in bird flu fight

The World Health Organization warned Thursday that its ability to manage the risk to humans posed by the H5N1 bird flu virus was being compromised by patchy surveillance.

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