Influenza :: Influenza activity continued to increase in the United States

During week 7 (February 11 – February 17, 2007), influenza activity continued to increase in the United States.

Among specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories for influenza, 24.8% were positive. ILI data was above baseline for the ninth week this season.

Twenty-four states reported widespread influenza activity; 14 states and New York City reported regional influenza activity; 10 states and the District of Columbia reported local influenza activity; and two states reported sporadic influenza activity. The reporting of widespread or regional influenza activity increased from 33 states for week 6 to 38 states for week 7. The percent of deaths due to pneumonia and influenza remained below baseline level.

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