INTERACTIVE: Weekly influenza surveillance

  • by: Raymond Grumney
  • Updated: January 2, 2014 - 3:46 PM

The map below shows the weekly Influenza surveillance data collected by the CDC and is updated weekly. The Epidemiology and Prevention Branch in the Influenza Division at CDC collects, compiles and analyzes information on influenza activity year round in the United States. The U.S. influenza surveillance system is a collaborative effort between CDC and its many partners in state, local, and territorial health departments, public health and clinical laboratories, vital statistics offices, healthcare providers, clinics, and emergency departments.

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