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BY: Danuta M. Skowronski, MD, FRCPC
June 2007
For this theme issue on pandemic influenza, we assembled a panel of experts ... syndrome (SARS) emerged as a zoonotic infection in 2003 but did not cause a pandemic.[ 1 ] Rapid action by ... 5 , 12 ] Initially, the US population was affected in March, April, and May 1918; subsequently, influenza spread ...