Flu fears escalate.
The new strain of bird flu first identified in southern Asia has now reached Europe, raising local fears about a jump to humans as researchers have controversially reconstructed the deadly Spanish flu virus as a means to determine the factors contributing to its virulence. Michael Gross reports.
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Michael
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D000818:Animals; D005060:Europe / Q000453:epidemiology; D023281:Genomics / Q000379:methods; D009980:Influenza A virus / Q000235:genetics / Q000302:isolation & purification*; D005585:Influenza in Birds / Q000453:epidemiology*; D011200:Poultry; D011201:Poultry Diseases / Q000453:epidemiology* / Q000821:virology*; D011634:Public Health / Q000639:trends