Diseases, Conditions, Syndromes

The next pandemic? How a familiar virus exploits new hosts

Planet Earth—a mere speck in our universe—is home to more viruses than there are stars in the cosmos. They exist at life's outer limit, performing a delicate dance that has lasted eons but can turn in an instant. Not ...

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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