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FW: Australian Influenza Surveillance Report no.35. 2010

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    Wishart, Michael
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    Wishart, Michael

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    [Moderator note: we will start sending the weekly Australian Influenza
    Surveillance reports to AICA Infexion Connexion subscribers as a
    courtesy service. Apologies to any subscribers who already receive this
    weekly report from other sources.]

    Dear All

    The Australian Influenza Surveillance Report no.35. 2010 which reports
    on influenza activity up until 3 September 2010 has been produced.

    Of note

    *Levels of influenza and influenza-like illness (ILI) in the
    community have continued to increase through all surveillance systems
    this reporting period and highlight a late start to the influenza season
    compared to previous years.
    *There were 501 laboratory confirmed notifications of influenza
    during this reporting period, including 361 pandemic (H1N1) 2009 cases.
    Notifications of laboratory confirmed influenza were highest in SA and
    QLD.
    *Results from sentinel laboratory surveillance systems for this
    reporting period show that 19% of the respiratory tests conducted over
    this period were positive for influenza, which is similar to the last
    reporting period (17%). In 2010, a total of 694 specimens have been
    positive for influenza (of 10,554 specimens tested), of which 70% were
    pandemic (H1N1) 2009 and 12% were A/H3N2.
    *Of the 4,152 confirmed cases of influenza diagnosed during 2010
    up to 3 September, 1,935 (47%) have been sub-typed as pandemic (H1N1)
    2009. A total of 39,571 confirmed cases of pandemic (H1N1) 2009 have
    occurred in Australia since May 2009.
    *Sentinel hospitals have reported 16 hospitalisations for
    influenza during the reporting period, including 13 for pandemic (H1N1)
    2009. ANZICS reported two ICU admissions for influenza and the APSU has
    reported nine cases of influenza complications in children aged less
    than 15 years this reporting period.
    *The WHO has advised that the world is no longer in phase 6 of
    influenza pandemic alert, and will now move into the post pandemic
    period. As at 1 August 2010, over 18,449 deaths worldwide have been
    reported associated with the pandemic virus. The WHO is currently
    reporting that transmission remains locally intense in parts of India
    and in parts of the temperate southern hemisphere, particularly New
    Zealand and more recently Australia.

    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.ns
    f/Content/resources

    If you have any questions, comments or feedback 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

    ________________________________________________________________________
    __________________________________________________

    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
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    will avoid delays when individual staff members are absent.
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