Day: May 27, 2008

Evolution of flu strains points to higher risk of pandemic: study

“Some strains of bird flu are coming ever closer to developing the traits they need to cause a human pandemic, a study released Monday said.

Researchers who analysed samples of recent avian flu viruses found that a few H7 strains of the virus that have caused minor, untransmissible infections in people in North America between 2002 and 2004 have increased their affinity for the sugars found on human tracheal cells.” (Yahoo! News)

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