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International Situation Update

This page is being revised. Please see WHO Influenza Surveillance and Monitoring for summaries of global influenza surveillance, and Avian Influenza A (H7N9) Virus for CDC information on H7N9.

Global Influenza Activity Update

November 16, 2012

International Map of Flu Outbreaks and ActivityThe following summary of key influenza-related updates is based upon regional World Health Organization (WHO) reports, country reports, CDC field staff updates and other sources. Updates are listed by region. Reporting weeks may vary by country.

Northern Temperate Region

  • Influenza activity is low in the northern temperate region heading into influenza season.

China

Europe

  • Activity: low across the region, with sporadic detections reported from some countries
  • Source: WHO EuroFlu

 

Tropical Region

Some tropical countries reported heightened influenza activity in recent weeks, including the following:

Nicaragua

  • Activity: increased from September through the beginning of October
  • Virology: mix of influenza A (H3N2) and influenza B viruses
  • Source: WHO

Senegal

  • Activity: increased in late September and early October
  • Virology: influenza A (H3N2) viruses predominated
  • Source: WHO

Camaroon

  • Activity: has been increasing as of early November
  • Virology: influenza A (H3N2) viruses have predominated
  • Source: WHO

 

Southern Temperate Region

  • Activity: has decreased in recent weeks and is now low
  • Sources: WHO
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