CDC monitoring human infections with novel flu virus

In recent months, the Centers for Disease Control and Prevention (CDC) has reported a number of cases of human infection with a novel strain influenza A (H3N2v) virus ([www.cdc.gov/mmwr/preview/mmwrhtml/mm6051a4.htm?s\_cid=mm6051a4\_w][1]). From Aug. 17 to Dec. 23, 2011, the H3N2v virus was