FW: Australian Influenza Surveillance Report no.1. 2011 [SEC=UNCLASSIFIED]

[Wishart, Michael]

[Posted on behalf of the Influenza Surveillance Team – Moderator]

Dear All

The Australian Influenza Surveillance Report no.1. 2011 which reports on influenza activity up until 1 April 2011 has been produced.

Of note:
* Levels of influenza-like illness (ILI) in the community remained low through all surveillance systems this reporting period. However, the number of laboratory confirmed notifications that have occurred during the 2010-11 inter-seasonal period has been unusually high.
* During this reporting period there were 319 laboratory confirmed notifications of influenza, which included 210 cases of influenza A untyped and 54 cases of pandemic (H1N1) 2009. Queensland reported the highest number of notifications.
* All jurisdictions are reporting unusually high numbers of notifications for this time of the year, especially in the Northern Territory and Queensland. Based on sub-typing information, Queensland are reporting circulation of mostly pandemic (H1N1) 2009 and type A/H3N2. The majority of the Northern Territory cases have been type A/H3N2.
* As at 1 April 2011, there have been 2,532 confirmed cases of influenza reported to the National Notifiable Diseases Surveillance System (NNDSS) in 2011, compared with 451 for the same period in 2010.
* The WHO has reported that influenza activity appears to have peaked and is declining in most parts of the Northern Hemisphere.

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

[If you no longer wish to be on this distribution list please reply to flu@health.gov.au]

Kind regards,

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

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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 the team, this email address will ensure prompt responses and will avoid delays when individual staff members are absent.
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