FW: Australian Influenza Surveillance Report no.7. 2011

[Wishart, Michael]

Dear All

The Australian Influenza Surveillance Report no.7. 2011 which reports on
influenza activity up until 24 June 2011 has been produced.

Of note:
Levels of influenza-like illness (ILI) in the community have started to
increase through both sentinel general practitioner surveillance systems
and ILI presentations to emergency departments.
Notifications have continued to rise nationally, with increases most
notable in South Australia, Queensland and New South Wales.
During this reporting period there were 574 laboratory confirmed
notifications of influenza, with Queensland and South Australia reporting
the highest number of notifications. The majority of virus detections havebeen pandemic (H1N1) 2009, with co-circulation of influenza B.
Influenza B in South Australia has continued to represent 85% of their
notifications, and also accounted for the majority of influenza B reportednationally over this period. Queensland has reported mostly pandemic
(H1N1) 2009 with some co-circulation of influenza B and New South Wales
has reported circulation of mostly pandemic (H1N1) 2009.
As at 24 June 2011, there have been 5,640 confirmed cases of influenza
reported to the National Notifiable Diseases Surveillance System (NNDSS)
in 2011, compared with 1,088 for the same period in 2010.
The WHO has reported that worldwide influenza activity is low and activityassociated with the northern hemisphere influenza season has finished.
Influenza activity remains low in most temperate countries of the southernhemisphere.

A summary version of this report will shortly be available on the web at
the following address:
http://www.health.gov.au/internet/main/publishing.nsf/Content/cda-surveil-ozflu-flucurr.htm

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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