Why this flu season is hitting younger adults harder
This year's strain of H1N1 flu is taking a disproportionate toll on people aged 18 to 64. CBS News chief medical correspondent Dr. Jon LaPook says it's not too late to get a flu shot.
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This year's strain of H1N1 flu is taking a disproportionate toll on people aged 18 to 64. CBS News chief medical correspondent Dr. Jon LaPook says it's not too late to get a flu shot.