FW: Australian Influenza Surveillance Report no. 39 2010

[Wishart, Michael]

Dear All

The Australian Influenza Surveillance Report no.39 2010 which reports on
influenza activity up until 1 October 2010 has been produced.

Of note
Levels of influenza-like illness (ILI) in the community increased through
most surveillance systems this reporting period. Local, regional and
widespread activity was reported within jurisdictions. The number of
laboratory confirmed notifications decreased this reporting period.
There were 666 laboratory confirmed notifications of influenza during thisreporting period, including 498 pandemic (H1N1) 2009 cases. Notifications
of laboratory confirmed influenza were highest in SA.
Results from sentinel laboratory surveillance systems for this reporting
period show that 17% of the respiratory tests conducted over this period
were positive for influenza, which is the same as the last reporting
period. In 2010, a total of 1072 specimens have been positive for
influenza
(of 12,793 specimens tested), of which 68% were pandemic (H1N1) 2009, 9%
were A/H3N2, 21% were influenza B and 2% were influenza A untyped.
As at 1 October 2010, there have been 8,282 confirmed cases of influenza
entered into the National Notifiable Diseases Surveillance System (NNDSS)
in 2010 up to 1 October. A total of 42,485 confirmed cases of pandemic
(H1N1) 2009 have occurred in Australia since May 2009.
Sentinel hospitals reported a decrease in the number of influenza
associated hospitalisations compared to previous weeks, with 13 admissionsduring the reporting period, including 11 for pandemic (H1N1) 2009. ANZICSreported nine ICU admissions for influenza and the APSU reported four
cases of influenza complications in children (<15 years) during this
reporting period.
The WHO has advised that the world is no longer in phase 6 of influenza
pandemic alert, and has moved into the post pandemic period. As at 1
August 2010, over 18,449 deaths worldwide have been reported associated
with the pandemic virus.

A summary version of this report will shortly be available on the web at
the following address:
http://www.healthemergency.gov.au/internet/healthemergency/publishing.nsf/Content/resources

If you have any questions, comments or feedback please reply to
flu@health.gov.au

Kind regards,

Influenza Surveillance Team
Vaccine Preventable Disease Surveillance Section
Surveillance Branch
Office of Health Protection

__________________________________________________________________________________________________________________________

Please note that the Influenza Surveillance Team, of the Vaccine
Preventable Disease Surveillance Section has a group e-mail address which
is flu@health.gov.au. While you can still email individual members of theteam, this email address will ensure prompt responses and will avoid
delays when individual staff members are absent.
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