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Wednesday, September 22, 2010

Australian Influenza Surveillance 2010 - Latest report

Via Australia's Department of Health :

" Report No. 36

Reporting period 4 to 10 September 2010
  • Levels of influenza-like illness (ILI) in the community have continued to increase through most surveillance systems this reporting period with sporadic and widespread activity reported within jurisdictions. However, there was a decline in the number of laboratory confirmed notifications compared to previous weeks.
  • There were 267 laboratory confirmed notifications of influenza during this reporting period, including 149 pandemic (H1N1) 2009 cases. This is a substantial decrease in the number of laboratory confirmed notifications compared to the previous week of 501. Notifications of laboratory confirmed influenza were highest in QLD this reporting period and in SA the notification rate over the past month has also been relatively high.
  • Results from sentinel laboratory surveillance systems for this reporting period show that 16% of the respiratory tests conducted over this period were positive for influenza, which is a slight decrease from the last reporting period (19%). In 2010, a total of 754 specimens have been positive for influenza (of 10,834 specimens tested), of which 70% were pandemic (H1N1) 2009, 12% were A/H3N2 and 16% were influenza B.

A detailed PDF report is also available."

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