In recent weeks, some countries in tropical regions have reported increased activity. Influenza activity is low with sporadic detections in the temperate northern hemisphere. Influenza activity is low in the temperate southern hemisphere. For the latest updates on the international influenza situation, visit CDC’s Global Flu Activity Update. For a summary of influenza activity in the United States, see FluView.
The December 15 'Influenza in Africa' supplement gives new data on the burden and epidemiology of seasonal flu in Africa and sheds light on the impact of the 2009 H1N1 pandemic, which tested many countries’ relatively new preparedness plans, laboratory networks and surveillance systems.
In August 2011, CDC Director Dr. Thomas Frieden visited India and saw firsthand CDC’s important work. Dr. Frieden returned with the Secretary of the Department of Health and Human Services Kathleen Sebelius in January 2012 to learn more about CDC’s collaborations around influenza surveillance and research in India.