Why young are most affected by swine flu revealed in virus structure

Wednesday, March 24, 2010 - 14:22 in Health & Medicine

Scientists have solved the structure of a key protein from the virus that caused last year's "swine flu" influenza epidemic. The structure reveals that the virus shares many features with influenza viruses common in the early 20th century, helping to explain why, in general, older individuals have been less severely affected by the recent outbreak than younger ones.

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