During week 6 (February 7-13, 2010), influenza activity remained at approximately the same levels as last week in the U.S. 129 (3.5%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza. (Source: CDC Swine Flu Updates)

Further information:

Article source

Related posts:

1. UPDATE: Weekly FluView Map and Surveillance Report for Week Ending February 27, 2010
2. Weekly FluView Map and Surveillance Report for Week Ending Feb 13, 2010
3. Weekly FluView Map and Surveillance Report for Week Ending Feb 20, 2010
4. Weekly FluView Map and Surveillance Report for Week Ending Feb 27, 2010
5. Weekly FluView Map and Surveillance Report for Week Ending Feb 6, 2010