Doctors believe the H1N1 virus from 2009 is the same strain that's making people sick this flu season. KRDO NewsChannel 13's Rana Novini is finding out why young and healthy people are also at risk.
KFYR via CNN
KPRC via CNN
WGCL via CNN
CCTV via CNN
Heidi Bond via CNN
KRON; San Francisco Police Department via CNN
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