Seasonal Influenza: International Situation Update
Global Influenza Activity Update
November 16, 2012
The 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
- Activity: low in South China and North China as of early November
- Virology: influenza A (H3N2) viruses have predominated
- Source: Chinese National Influenza Center
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
Contact Us:
- Centers for Disease Control and Prevention
1600 Clifton Rd
Atlanta, GA 30333 - 800-CDC-INFO
(800-232-4636)
TTY: (888) 232-6348 - Contact CDC-INFO