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New Zealand Influenza Surveillance 2016

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  • #16
    Community and Hospital Surveillance
    ILI, SARI, Influenza and Respiratory Pathogens
    2016 Influenza Season, Week 33, ending 21 August 2016


    During week 33 (15?21 August 2016), influenza activity was very low among consultation-seeking
    patients nationwide. Influenza activity was also very low among those hospitalised patients in Auckland
    and Counties Manukau District Health Boards.

     Influenza-like illness (ILI) and severe acute respiratory illness (SARI) surveillance
    ILI surveillance: One hundred and seventeen patients with influenza-like illness consulted sentinel
    general practices in 20 DHBs. The weekly ILI incidence was 22.2 per 100 000 patient population
    (Figure 1), below the seasonal threshold of ILI consultations. The ILI related influenza incidence
    (adjusted) was 10.2 per 100 000 patient population.

    SARI surveillance: There were 2740 acute admissions to ADHB and CMDHB hospitals this week. Of
    the 194 patients with suspected respiratory infections, 82 (42.3%) patients met the SARI case
    definition. Five SARI cases were admitted to ICU and no SARI related deaths were reported. The
    weekly SARI incidence was 6.6 per 100 000 population. The SARI related influenza incidence was 0.6
    per 100 000 population.

     Respiratory pathogen surveillance
    Influenza virus: During this week, 48 ILI specimens were tested, 22 were positive for influenza
    viruses. In addition, 28 SARI specimens were tested, five were positive for influenza viruses. For
    details, see Table 3 and Figures 5 and 6.

    Non-influenza respiratory viruses: For cumulative totals, see Table 4 and Figures 7 and 8.

    ILI counts and rates by DHB by week are available in the Appendix.
    Twitter: @RonanKelly13
    The views expressed are mine alone and do not represent the views of my employer or any other person or organization.

    Comment


    • #17
      Community and Hospital Surveillance
      ILI, SARI, Influenza and Respiratory Pathogens
      2016 Influenza Season, Week 34, ending 28 August 2016


      During week 34 (22?28 August 2016), influenza activity was very low among consultation-seeking
      patients nationwide. Influenza activity was also very low among those hospitalised patients in Auckland
      and Counties Manukau District Health Boards.

       Influenza-like illness (ILI) and severe acute respiratory illness (SARI) surveillance
      ILI surveillance: One hundred and four patients with influenza-like illness consulted sentinel general
      practices in 20 DHBs. The weekly ILI incidence was 19.7 per 100 000 patient population (Figure 1),
      below the seasonal threshold of ILI consultations. The ILI related influenza incidence (adjusted) was
      11.9 per 100 000 patient population.

      SARI surveillance: There were 2706 acute admissions to ADHB and CMDHB hospitals this week. Of
      the 188 patients with suspected respiratory infections, 72 (38.3%) patients met the SARI case
      definition. Five SARI cases were admitted to ICU and no SARI related deaths were reported. The
      weekly SARI incidence was 5.9 per 100 000 population. The SARI related influenza incidence was 1.5
      per 100 000 population.

       Respiratory pathogen surveillance
      Influenza virus: During this week, 58 ILI specimens were tested, 35 were positive for influenza
      viruses. In addition, 47 SARI specimens were tested, 16 were positive for influenza viruses. For details,
      see Table 3 and Figures 5 and 6.

      Non-influenza respiratory viruses: For cumulative totals, see Table 4 and Figures 7 and 8.

      ILI counts and rates by DHB by week are available in the Appendix.


      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
        Community and Hospital Surveillance
        ILI, SARI, Influenza and Respiratory Pathogens
        2016 Influenza Season, Week 36, ending 11 September 2016


        During week 36 (5?11 September 2016), influenza activity was very low among consultation-seeking
        patients nationwide. Influenza activity was also low among those hospitalised patients in Auckland and
        Counties Manukau District Health Boards.

         Influenza-like illness (ILI) and severe acute respiratory illness (SARI) surveillance
        ILI surveillance: Fifty-three patients with influenza-like illness consulted sentinel general practices in
        20 DHBs. The weekly ILI incidence was 10.1 per 100 000 patient population (Figure 1), below the
        seasonal threshold of ILI consultations. The ILI related influenza incidence (adjusted) was 4.4 per
        100 000 patient population.

        SARI surveillance: There were 2810 acute admissions to ADHB and CMDHB hospitals this week. Of
        the 181 patients with suspected respiratory infections, 75 (41.4%) patients met the SARI case
        definition. Four SARI cases were admitted to ICU and no SARI related deaths were reported. The
        weekly SARI incidence was 6.7 per 100 000 population. The SARI related influenza incidence was 0.9
        per 100 000 population.

         Respiratory pathogen surveillance
        Influenza virus: During this week, 23 ILI specimens were tested, 10 were positive for influenza
        viruses. In addition, 39 SARI specimens were tested, eight were positive for influenza viruses. For
        details, see Table 3 and Figures 5 and 6.

        Non-influenza respiratory viruses: For cumulative totals, see Table 4 and Figures 7 and 8.

        ILI counts and rates by DHB by week are available in the Appendix.
        ...

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

        Comment


        • #19
          Community and Hospital Surveillance
          ILI, SARI, Influenza and Respiratory Pathogens
          2016 Influenza Season, Week 37, ending 18 September 2016



          During week 37 (12?18 September 2016), influenza activity was very low among consultation-seeking
          patients nationwide. Influenza activity was also low among those hospitalised patients in Auckland and
          Counties Manukau District Health Boards.

           Influenza-like illness (ILI) and severe acute respiratory illness (SARI) surveillance
          ILI surveillance: Forty-eight patients with influenza-like illness consulted sentinel general practices in
          20 DHBs. The weekly ILI incidence was 9.1 per 100 000 patient population (Figure 1), below the
          seasonal threshold of ILI consultations. The ILI related influenza incidence (adjusted) was 4.9 per
          100 000 patient population.

          SARI surveillance: There were 2934 acute admissions to ADHB and CMDHB hospitals this week. Of
          the 170 patients with suspected respiratory infections, 71 (41.8%) patients met the SARI case
          definition. No SARI cases were admitted to ICU and no SARI related deaths were reported. The weekly
          SARI incidence was 5.6 per 100 000 population. The SARI related influenza incidence was 0.4 per
          100 000 population.

           Respiratory pathogen surveillance
          Influenza virus: During this week, 30 ILI specimens were tested, 16 were positive for influenza
          viruses. In addition, 24 SARI specimens were tested, four were positive for influenza viruses. For
          details, see Table 3 and Figures 5 and 6.

          Non-influenza respiratory viruses: For cumulative totals, see Table 4 and Figures 7 and 8.

          ILI counts and rates by DHB by week are available in the Appendix.

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

          Comment


          • #20
            Community and Hospital Surveillance
            ILI, SARI, Influenza and Respiratory Pathogens
            2016 Influenza Season, Week 38, ending 25 September 2016


            During week 38 (19?25 September 2016), influenza activity was very low among consultation-seeking
            patients nationwide. Influenza activity was also low among those hospitalised patients in Auckland and
            Counties Manukau District Health Boards.

             Influenza-like illness (ILI) and severe acute respiratory illness (SARI) surveillance
            ILI surveillance: Forty-eight patients with influenza-like illness consulted sentinel general practices in
            20 DHBs. The weekly ILI incidence was 8.9 per 100 000 patient population (Figure 1), below the
            seasonal threshold of ILI consultations. The ILI related influenza incidence (adjusted) was 3.0 per
            100 000 patient population.

            SARI surveillance: There were 2910 acute admissions to ADHB and CMDHB hospitals this week. Of
            the 167 patients with suspected respiratory infections, 80 (47.9%) patients met the SARI case
            definition. Six SARI cases were admitted to ICU and no SARI related deaths were reported. The
            weekly SARI incidence was 5.6 per 100 000 population. The SARI related influenza incidence was 1.2
            per 100 000 population.

             Respiratory pathogen surveillance
            Influenza virus: During this week, 21 ILI specimens were tested, seven were positive for influenza
            viruses. In addition, 38 SARI specimens were tested, 13 were positive for influenza viruses. For details,
            see Table 3 and Figures 5 and 6.

            Non-influenza respiratory viruses: For cumulative totals, see Table 4 and Figures 7 and 8.

            ILI counts and rates by DHB by week are available in the Appendix.
            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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