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Sweden Influenza Surveillance 2015-2016

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  • #16
    Influenza Report

    This report was published March 17, 2016 and reported influenza situation week 10, in 2016.


    Summary Week 10

    Flu epidemic continued to decline in Sweden in week 10. For the first time this season dominated the influenza B, rather than influenza A. In week 10 reported a total of 481 cases, including 251 cases and 230 influenza B cases influenza A. Influenza A continues to steadily decline while increase in influenza B has leveled off over the previous week. Of the samples with influenza B, which belongs to the majority linjetypats B / Victoria. The shift to dominance of influenza B and influenza A (H1N1) pdm09 also occurs in the rest of Europe and Scandinavia.
    In fyrvalenta vaccine given to children include two influenza A strains (H1N1 and H3N2) and two influenza B line types (B / Victoria and B / Yamagata), but in the trivalent vaccine for adults are not influenza B / Victoria. Since the spread of influenza B / Victoria increased, we want to care highlight the importance of continuing to be generous with antiviral treatment for people with suspected influenza who are severely ill or belong to a risk group for severe influenza illness.
    Read the full report for week 10, 2016 (PDF, 711 kB)
    What indicates monitoring systems?

    This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
    Laboratory-based
    surveillance
    481 flu cases, of which:
    230 influenza A
    251 influenza B
    2206 analyzed samples
    21.8% positive
    Trend: Decrease
    Sentinel Sampling 14 cases, of which:
    1 (H1N1) pdm09 2 A (H3N2) 9 Victoria B- 2 B-Yamagata


    47 samples
    29.8% positive
    Trend: Decrease
    SIRI * Cumulatively has 284 intensive nursed patients reported since week 40, 2015, of which:
    124 A (H1N1) pdm09
    3 A (H3N2)
    124 influenza A (not subtypad)
    19 B
    **
    1177 Health Care Guide on telephone 7.0% call for fever in children
    Activity: normal
    Trend: Decrease
    Web Search for influenza Activity: medium Trend: Decrease
    * SIRI - Swedish Intensivvårdsregistrets Influenza Registration
    ** Because after the registrations are frequently not presented any estimate regarding trend.
    Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons


    http://www.folkhalsomyndigheten.se/a...luensarapport/

    Twitter: @RonanKelly13
    The views expressed are mine alone and do not represent the views of my employer or any other person or organization.

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    • #17
      Influenza Report

      The report was published on 31 March 2016 and reported influenza situation week 12, 2016.


      Summary Week 12

      Influenza activity has slowed further, and at week 12 showed surveillance systems at a low level of influenza activity. It is mainly influenza A that decreases while influenza B increased marginally. During week 12 reported 107 cases of influenza A and 285 cases of influenza B. Among the samples of influenza B that linjetypats the majority belonged to the B / Victoria. In this week's special section you can read more about the age distribution among people with flu.
      Read the full report for week 12, 2016 (PDF, 635 kB)
      What indicates monitoring systems?

      This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
      Laboratory-based
      surveillance
      392 flu cases, of which:
      107 influenza A
      285 influenza B
      1761 analyzed samples
      22.3% positive
      Trend: decrease
      Sentinel Sampling 9 cases, of which:
      1 (H1N1) pdm09 0 A (H3N2) 7 Victoria B- 1 B-Yamagata


      Sample 25
      36.0% positive
      Trend: decrease
      SIRI * Cumulatively has 300 intensive nursed patients reported since week 40, 2015, of which:
      131 A (H1N1) pdm09
      3 A (H3N2)
      131 influenza A (not subtypad)
      27 B
      **
      1177 Health Care Guide on telephone 6.9% call for fever in children
      Activity: normal
      Trend: unchanged
      Web Search for influenza Activity: Low Trend: decrease
      * SIRI - Swedish Intensivvårdsregistrets Influenza Registration
      ** Because after the registrations are frequently not presented any estimate regarding trend.

      Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons




      ...
      http://www.folkhalsomyndigheten.se/a...luensarapport/



      Twitter: @RonanKelly13
      The views expressed are mine alone and do not represent the views of my employer or any other person or organization.

      Comment


      • #18
        Influenza Report

        This report was published April 7, 2016, and reported influenza situation week 13, 2016.


        Summary Week 13

        All the monitoring show that influenza activity in Sweden continues to decline. During week 13, the number of cases of both influenza A and B. In week 13 reported 76 cases of influenza A and 250 cases of influenza B. While in the rest of Scandinavia and Europe and North America continued flu activity to subside.
        In this week's special section you can read more about other causes of respiratory infections.
        Read the full report for week 13, 2016 (PDF, 662 kB)
        What indicates monitoring systems?

        This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
        Laboratory-based
        surveillance
        328 flu cases, of which:
        77 influenza A
        251 influenza B
        1520 analyzed samples
        21.6% positive
        Trend: decrease
        Sentinel Sampling 6 cases, of which:
        1 (H1N1) pdm09 0 A (H3N2) 3 Victoria B- 2 B-Yamagata


        22 samples
        27.3% positive
        Trend: decrease
        SIRI * Cumulatively has 317 intensive nursed patients reported since week 40, 2015, of which:
        136 A (H1N1) pdm09
        4 A (H3N2)
        145 influenza A (not subtypad)
        32 B
        **
        1177 Health Care Guide on telephone 5.8% call for fever in children
        Activity: normal
        Trend: decrease
        Web Search for influenza Activity: Low Trend: decrease
        * SIRI - Swedish Intensivvårdsregistrets Influenza Registration
        ** Because after the registrations are frequently not presented any estimate regarding trend.
        Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons


        ...
        http://www.folkhalsomyndigheten.se/a...luensarapport/



        Twitter: @RonanKelly13
        The views expressed are mine alone and do not represent the views of my employer or any other person or organization.

        Comment

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