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Study shows why winter is 'flu season'

March 5, 2008 12:00:00 AM PST
Scientists say they may know why winter is flu season.Researchers say influenza viruses have a coating that melts in the respiratory tract allowing the virus to infect cells.

In warmer outdoor temperatures, the protective coating melts and unless the virus is in a living person or animal, the virus dies.

In winter, cooler temperatures crystallize the virus.

Scientists hope the study leads to new ways to prevent and treat the flu.

The research is published in the Journal Nature Chemical biology.

 

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