The Associated Press
BEIJING — A new strain of bird flu that emerged in China over the past month is one of the "most lethal" flu viruses so far, worrying health officials because it can jump more easily from birds to humans than the one that started killing people a decade ago, World Health Organization officials said April 24.
Scientists are watching the virus closely to see if it could spark a global pandemic but say there is little evidence so far that it can spread easily from human to human.
WHO's top influenza expert, Dr. Keiji Fukuda. . .
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