News & Perspective

Feb 11, 2011

Feb 11, 2011

US flu activity rises, shifts toward 2009 H1N1 strain

(CIDRAP News) – The nation's flu activity increased again for the fourth week in a row, and for the first time the number of specimens testing positive for the 2009 H1N1 virus topped the H3N2 strain, which for the past several weeks had dominated, the Centers for Disease Control and Prevention (CDC) said today.

Oct 13, 2010

Oct 13, 2010

H3N2 a player in early Northern Hemisphere flu season

(CIDRAP News) – More signals suggest the Southern Hemisphere's flu season is winding down, while activity is low at the start of the Northern Hemisphere's flu season, except in China, which is seeing moderate H3N2 circulation.

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