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Norway 2012-13 Lab Surveillance: Week 50-13

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  • #16
    Re: Norway 2012-13 Lab Surveillance: Week 50-13

    1513 - Influenza Surveillance 2012-13, week 15
    Published 04/17/2013, Updated: 04/17/2013 16:07
    Link / reference to this article: http://www.fhi.no/artikler/?id=106041
    Influenza surveillance shows the level of influenza-like illness and number viruspåvisninger at week 15 continued to go down. It is now influenza B dominate. The number of influenza A has been falling since mid-January, while influenza B first passed the peak in late February.
    Clinical monitoring
    ...
    At week 15, 2013 was 0.7% of those who went to the doctor diagnosis of "influenza like illness" (ILI) (Figure 1 and Table 2). The activity is now [well below] 1.4% in all regions.
    ...
    Preliminary laboratory reports (15 of 18 laboratories have reported) for week 15 suggests further decline in the incidence of both influenza A and B. The numbers in recent weeks is approximately halved compared to the week before Easter. Influenza B has since week 8 have been more numerous than influenza A. detections has now dropped to a level which indicates relatively low incidence of influenza virus (Figure 2 and Table 3). By week 15/2013, it reported earnings from 1396 samples analyzed for influenza virus. Among these samples examined have been found 55 influenza A and influenza B. 140 8 of influenza A viruses in week 14 is identified as A (H1) pdm09 and preliminary 1 as A (H3). The remaining 46 have not been subtypebestemt. While there are many laboratories that test for H1pdm09-subtype, only trying to come to Public Health tested for H3 subtype. Therefore H3 virus much more underreported than H1pdm09-virus and H3-testing occurs more afterwards. Nevertheless, it is clear that A (H1N1) virus pdm09-dominated nationwide during the main eruption. 710 (96%) of the 741 so far examined influenza B virus Yamagata group belongs. B virus in the winter flu vaccine also belongs to this group.
    ...
    http://www.fhi.no/eway/default.aspx?...0:6409:1:::0:0
    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
      Re: Norway 2012-13 Lab Surveillance: Week 50-13

      1613 - Influenza Surveillance 2012-13, Week 16
      Published 24.04.2013, updated: 24.04.2013 17:44
      Link / reference to this article: http://www.fhi.no/artikler/?id=106154
      Influenza surveillance shows that the level of influenza-like illness and number viruspåvisninger at week 16 continued to go down. It is now influenza B dominate. The number of influenza A has been falling since mid-January, while influenza B first passed the peak in late February.
      ...
      At week 16, 2013 was 0.6% of those who went to the doctor diagnosis of "influenza like illness" (ILI) (Figure 1 and Table 2). The activity is now erupting limit of 1.4% in all regions.
      ...
      Preliminary laboratory reports (14 of 18 laboratories have reported) for week 16 suggests further decline in the incidence of both influenza A and B. Influenza B has since Week 8 have been more numerous than influenza A. detections are down to a level indicating a relatively low incidence influenza virus (Figure 2 and Table 3). By week 16/2013, it reported earnings from 1073 samples analyzed for influenza virus. Among these samples examined have been found 45 influenza A and 92 influenza B. 13 of influenza A viruses in week 14 is identified as A (H1) pdm09 and yet no one A (H3). The remaining 32 did not become subtypebestemt. While there are many laboratories that test for H1pdm09-subtype, only trying to come to Public Health tested for H3 subtype. Therefore H3 virus much more underreported than H1pdm09-virus and H3-testing occurs more afterwards. Nevertheless, it is clear that A (H1N1) virus pdm09-dominated nationwide during the main eruption. 773 (96%) of the 805 so far examined influenza B virus Yamagata group belongs. B virus in winter flu vaccine also belongs to this group.
      ...
      http://www.fhi.no/eway/default.aspx?...0:6409:1:::0:0
      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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