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Sep 09, 2011

Jan 18, 2011

Jan 18, 2011

Northern Hemisphere countries show steady rise in flu

Lisa Schnirring
 |
Jan 18, 2011

(CIDRAP News) – Flu activity is increasing in many of the Northern Hemisphere's temperate-zone countries, with influenza B cocirculating with the 2009 pandemic H1N1 virus across Europe and teaming up with influenza A (H3N2) in the United States and Canada, the World Health Organization (WHO) said in its latest update.

May 01, 2009

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