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Sweden Influenza Surveillance 2015-2016

Ronan Kelly

Ronan Kelly

Retired 2020
Link to 2014-15 thread: https://flutrackers.com/forum/forum...72120-sweden-influenza-surveillance-2014-2015
Link to report archive; http://www.folkhalsomyndigheten.se/a...eckorapporter/
[h=2]Summary Week 48, 2015[/h] Influenza activity in Sweden remains low. During week 48 reported a total of 33 cases of which 14 cases of influenza A (H1N1) pdm09 and 19 cases untyped influenza A. Also this week, many of the reported cases of travel-related. Influenza activity remains low in Europe.
Overall, the monitoring systems that the epidemic has not yet started but that the flu come to Sweden. It is therefore high time that a vaccination if you belong to a risk group because it takes up to two weeks to get the vaccine.
Laboratory confirmed influenza was December 1 notifiable. Data in this week's report is preliminary as data from two different reporting systems merged and the number of influenza cases may be adjusted.
Read the full report for week 48, 2015 (PDF, 644 kB)
[h=3]What does the monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 48 Change against
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 33 cases of influenza, of which:
14 A (H1N1) pdm09
19 influenza A
0 influenza B
596 analyzed samples
5.5% positive
[/TD]
[TD]Trend: unchanged[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 2 cases, of which:
2 (H1N1) pdm09
0 A (H3N2)
0 A (not subtyped)
0 B Victoria
0 B-Yamagata
42 samples
4.8% positive
[/TD]
[TD] Trend: unchanged
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD]1 intensive nursed patients, of which:
1 A (H1N1) pdm09
0 A (H3N2)
0 seasonal influenza A
0 B[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 3,7% conversation about fever in children
Activity: Low
[/TD]
[TD]Trend: unchanged[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: very low[/TD]
[TD]Trend: unchanged[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/
 
[h=1]Influenza Report[/h] This report was published December 10, 2015 and reported flu-state week 49th


[h=2]Summary Week 49, 2015[/h] Both the number of laboratory-confirmed cases, as well as monitoring Web Search indicates that seasonal influenza epidemic started in week 49 although overall influenza activity is low. During week 49 rap ported 86 cases, including 85 influenza A and one influenza B cases. Among the influenza A cases detected both influenza A (H1N1) pdm09 and influenza A (H3N2). In the rest of Europe, influenza activity is low.
At first compilation of seasonal vaccination coverage for influenza show data from 11 counties to 36 percent of the elderly (65 or older) have already been vaccinated four weeks after the start of vaccination. In this week's special section, you can read more about the vaccination coverage for influenza.
As the season's epidemic has started, it is high time to get vaccinated if you belong to a risk group when it takes up to two weeks to get the vaccine.
Read the full report for week 49, 2015 (PDF, 930 kB)
[h=3]What does the monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 49 Change against
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 86 cases of influenza, of which:
85 influenza A
1influensa B
589 analyzed samples
14.6% were positive
[/TD]
[TD]Trend: Search[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 6 cases, of which:
5 (H1N1) pdm09 1 A (H3N2) 0 B Victoria0 B-Yamagata


38 samples
15.8% were positive
[/TD]
[TD] Trend: Search
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD]0 intensive nursed patients, of which:
0 A (H1N1) pdm09
0 A (H3N2)
0 seasonal influenza A
0 B[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 4,2% conversation about fever in children
Activity: normal
[/TD]
[TD]Trend: Search[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: Low[/TD]
[TD]Trend: Search[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.


http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/
 
[h=1]Influenza Report[/h] This report was published December 17, 2015 and reported flu-state week 50th


[h=2]Summary Week 50, 2015[/h] Flu epidemic started in week 49 in Sweden but, overall influenza activity is low. The number of flu cases increased slightly in week 50 and total reported 114 cases, including 111 influenza A and 3 influenza B. Experience from previous seasons show that influenza activity usually decreases during the holiday season. After the end of the year when many people are back at work and school is expected influenza activity increased again. In the rest of Scandinavia and Europe, influenza activity remained low. In this week's special section, you can read more about the viruses characterized this season. The circulating strains are similar to those included in the vaccine.
As the season's epidemic has started, it is high time to get vaccinated if you belong to a risk group when it takes up to two weeks to get the vaccine. Read more about influenza vaccines
This flu report is the last before Christmas and the next report will be released on 30/12.The first report of the new year, the 14/1 2016. For news during the holiday season, seethe Public Health Agency's website.
Read the full report for week 50, 2015 (PDF, 930 kB)

Appendix 1. Phylogenetic tree of influenza A (H1N1) pdm09 (PDF, 181 kB)
Appendix 2. Phylogenetic tree of influenza A (H3N2) (PDF Document, 182 kB)
[h=3]What does the monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 50 Change against
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 114 flu cases, of which:
111 influenza A
three influenza B
920 analyzed samples
12.4% were positive
[/TD]
[TD]Trend: Search[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 6 cases, including:
4 (H1N1) pdm09 2 A (H3N2) 0 B Victoria 0 B-Yamagata


36
samples, 16.7% positive
[/TD]
[TD] Movement: Neutral
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD]0 intensive nursed patients, of which:
0 A (H1N1) pdm09
0 A (H3N2)
0 seasonal influenza A
0 B[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 4,4% conversation about fever in children
Activity: normal
[/TD]
[TD]Trend: Search[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: Low[/TD]
[TD]Trend: Search[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and seasons past[/h]
Influensa%20v_50%20pixlr.png

...
http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/


 

[h=2]Summary weeks 51 and 52, 2015[/h] The number of cases of influenza continue to increase from 181 during the week of 51 to 210 in week 52. Among cases it is exclusively influenza A reported in week 52. Only four cases of influenza B were reported week 51. flu cases now reported from all over the country. Just like previous seasons slowed down the increase of influenza cases slightly during the Christmas holiday. In the coming weeks, when many will return to school and work, the spread of flu is likely to rise again. In the rest of Europe indicates the monitoring systems that the season has started, but at present the market remained low.
Weekly Flu Report is the last. The first report of the new year, the 14/1 2016. For news the next time, see the Public Health Agency's website.
Read the full report for Week 51 and 52, 2015 (PDF, 930 kB)
[h=3]What does the monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 52 Change against
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 210 flu cases, of which:
210 influenza A
0 influenza B
906 analyzed samples
23.2% were positive
[/TD]
[TD]Trend: Search[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 7 cases, of which:
6 (H1N1) pdm09 1 A (H3N2) 0 B Victoria 0 B-Yamagata


24 samples
29.2% were positive
[/TD]
[TD] Movement: Neutral
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD]1 intensive nursed patients, of which:
0 A (H1N1) pdm09
0 A (H3N2)
1 influenza A (not subtypad)
0 B[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 5,4% conversation about fever in children
Activity: normal
[/TD]
[TD]Trend: Search[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: Medium[/TD]
[TD]Trend: Search[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and seasons past[/h]
Influensa%20v51-52%20pixlr.png


...
http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/
 
[h=1]Influenza Report[/h] This report was published Jan. 14, 2016, and reported influenza situation week 53, 2015 and 1 in 2016.


[h=2]Summary Week 53, 2015 1, 2016[/h] Influenza activity remained unchanged in Sweden and the spread decreased as expected during the Christmas holidays and year-end, when many were vacant. In the past three weeks, the number of reported influenza cases has remained roughly constant. Week 53 reported 266 cases and 258 cases were reported for the week 1. Influenza A dominates spread so far in the season. Maps of the number of cases in recent weeks show a slightly greater spread of influenza in the north. In the coming weeks when most return to work and school is expected spread of flu to take off again. In this week's special section, you can read more about vaccination coverage, age and what is flying in the air.
Read the full report for week 53, 2015-1, 2016 (PDF, 728 kB)
[h=3]What does the monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 1 Change against
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 258 flu cases, of which:
247 influenza A
11 influenza B
1432 analyzed samples
18% positive
[/TD]
[TD]Trend: unchanged[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 5 cases, including:
5 (H1N1) pdm09 0 A (H3N2) 0 B Victoria 0 B-Yamagata


49 samples
10.2% positive
[/TD]
[TD] Trend: decrease
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD]1 intensive nursed patients, of which:
0 A (H1N1) pdm09
0 A (H3N2)
1 influenza A (not subtypad)
0 B[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 3,9% conversation about fever in children
Activity: normal
[/TD]
[TD]Trend: minskining[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: Low[/TD]
[TD]Trend: normal[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and seasons past[/h]
Influensa%20v53-1%20pixlr.png



http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/
 
[h=2]Summary Week 2[/h] Influenza activity remains stable and at a low level since week 52. During week 2 reported 246 cases of influenza, with 232 influenza A cases and 14 cases of influenza B. Of the influenza A specimens subtypats so far in the season, the majority of the samples were influenza A (H1N1) pdm09. Even in the Nordic region and Europe, primarily influenza A (H1N1) pdm09 reported so far. All strains Public Health Agency characterized similar to those included in the vaccine. You can read more about subtyping and characterization of influenza specimens in this week's special section.
Read the full report for Week 2, 2016 (PDF, 677 kB)
Appendix 1. Phylogenetic tree of influenza A (H1N1) pdm09 (PDF, 290 kB)
Appendix 2. Phylogenetic tree of influenza A (H3N2) (PDF, 183 kB)
Appendix 3. Phylogenetic tree for influenza B (PDF Document, 109 kB)
[h=3]What does the monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during the week 2 Change against
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 246 flu cases, of which:
232 influenza A
14 influenza B
1615 analyzed samples
15.2% were positive
[/TD]
[TD]Movement: Neutral[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 19 cases, of which:
17 (H1N1) pdm09 2 A (H3N2) 0 B Victoria 0 B-Yamagata


64 samples
29.7% were positive
[/TD]
[TD] Trend: Search
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD]1 intensive nursed patients, of which:
0 A (H1N1) pdm09
0 A (H3N2)
1 influenza A (not subtypad)
0 B[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 4,4% conversation about fever in children
Activity: normal
[/TD]
[TD]Trend: Search[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: Low[/TD]
[TD]Trend: Decrease[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and seasons past[/h]
Influensa%20v2%20pixlr.png

http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/
 
[h=1]Influenza Report[/h] This report published on 28 January 2016 and reported influenza situation week 3, in 2016.


[h=2]Summary week 3[/h] All the monitoring show that influenza activity is now increasing after a period of unchanged level. The activity is increasing in the country and in week 3 had Svealand most cases in terms of number and highest rates in relation to the population level. It is the influenza A (H1N1) pdm09 dominate and in week 3 reported 391 cases of influenza A and 21 cases of influenza B. The coming weeks are expected influenza activity continue to increase and the peak is expected during February. While in Europe is increasing influenza activity and it is influenza A (H1N1) pdm09 dominate. In this week's special section, you can read more about patients with influenza-intensive cared.
Read the full report for Week 3, 2016 (PDF, 602 kB)
[h=3]What does the monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 3 Change against
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 412 flu cases, of which:
391 influenza A
21 influenza B
1558 analyzed samples
26.4% were positive
[/TD]
[TD]Trend: Search[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 23 cases, of which:
21 (H1N1) pdm09 1 A (H3N2) 1 influenza A (not subtypad) 0 B Victoria 0 B-Yamagata



71
samples, 32.4% positive
[/TD]
[TD] Trend: Search
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD]3 intensive nursed patients, of which:
2 A (H1N1) pdm09
0 A (H3N2)
1 influenza A (not subtypad)
0 B[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 6,1% conversation about fever in children
Activity: normal
[/TD]
[TD]Trend: Search[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: Medium[/TD]
[TD]Trend: Search[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and seasons past[/h]
Influensa%20v3%20pixlr.png

...
http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/


 
[h=1]Influenza Report[/h] The report was published on February 4, 2016 and reported flu-state by week 4 in 2016.


[h=2]Summary Week 4[/h] All monitoring systems show a continued increase in flu activity. The number of laboratory-confirmed cases / week has increased during the past two weeks, from 259 cases Week 2-718 cases Week 4. The majority of cases are influenza A, and it is subtype influenza A (H1N1) pdm09 that dominate the spread. During week 4 were only 39 cases influenza B. The number of patients with influenza-intensive been treated has increased in recent weeks and so far in the season has a total of 87 patients reported. Patients with suspected or confirmed influenza who were not deemed to be sufficiently protected against severe disease by vaccination should be offered antiviral treatment if they belong to a risk group or is seriously ill (eg impact on breathing or circulation).
Influenza activity is expected to continue to increase until peaking sometime in February.In the rest of Scandinavia and Europe, the number of laboratory-confirmed cases of influenza.
Read the full report for week 4, 2016 (PDF, 600 KB)
[h=3]What indicates monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during Week 4 Changes to the
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 718 flu cases, of which:
679 influenza A
39 influenza B
2174 analyzed samples
33% positive
[/TD]
[TD]Trend: increase[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 40 cases, of which:
36 (H1N1) pdm09 0 A (H3N2) 1 B Victoria 3 B-Yamagata


71 samples
32.4% positive
[/TD]
[TD] Trend: increase
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD]12 intense nursed patients, of which:
2 A (H1N1) pdm09
0 A (H3N2)
7 influenza A (not subtypad)
3 B[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 6.1% call for fever in children
Activity: normal
[/TD]
[TD]Trend: increase[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: medium[/TD]
[TD]Trend: increase[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons[/h]
Influensa%20v4%20pixlr.png

...
http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/


 
More than 100 patients in intensive care with swine flu

This year's seasonal influenza continues to increase, but not in the same rapid rate as the weeks before, showing the public health authority report for week 5. But the number of serious cases requiring intensive care remains higher than before, and up to a total of 105 patients ? almost on the same level as during the pandemic 2009.

Worst hit by the flu so far in relation to the population is the country's Central and southern parts, writes public health authority in its latest report on how the epidemic is evolving. It is the so-called swine flu A (H1N1) that is rampant in this year's flu season ? the same as during the pandemic in 2009. The count now that seasonal flu, but can be more serious for adults of working age than the usual flu, which hit harder against the elderly.



http://www.dn.se/nyheter/sverige/fler-an-100-patienter-pa-intensiven-med-svininfluensa/
 
[h=1]Influenza Report[/h] This report was published February 11, 2016 and reported flu-position Week 5, in 2016.


[h=2]Summary Week 5[/h] Influenza activity is increasing but at a slower pace compared to previous weeks. During week 5 reported 845 cases of influenza A and 49 cases of influenza B. The incidence of influenza differs somewhat geographically in Sweden. In terms of population, there are more cases in the country's central and southern parts compared to the North. It is still subtype influenza A (H1N1) pdm09 that dominate the spread, just like in the rest of Scandinavia and Europe. In this week's special section you can read more about the age distribution of influenza cases and vaccination coverage in the population and "what flying in the air" (other causes of respiratory infections).
The number of patients with influenza-intensive cared continue to increase and so far in the season has a total of 105 patients reported. Patients with suspected or confirmed influenza who were not deemed to be sufficiently protected against severe disease by vaccination should be offered antiviral treatment if they belong to a risk group or are severely ill (such as having impact on breathing or circulation).
Read the full report for week 5, 2016 (PDF, 744 kB)
[h=3]What indicates monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during Week 5 Changes to the
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 894 flu cases, of which:
845 influenza A
49 influenza B
2808 analyzed samples
30.1% positive
[/TD]
[TD]Trend: increase[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 46 cases, of which:
39 (H1N1) pdm09 0 A (H3N2) 7 B Victoria 0 B Yamagata


94 samples
48.9% positive
[/TD]
[TD] Trend: increase
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD]4 intensive nursed patients, including:
1 A (H1N1) pdm09
0 A (H3N2)
3 influenza A (not subtypad)
0 B[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 9.1% call for fever in children
Activity: high
[/TD]
[TD]Trend: increase[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: high[/TD]
[TD]Trend: increase[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons[/h]
Influensa%20v5%20pixlr.png

http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/


 
[h=2]Summary Week 6[/h] Influenza activity in Sweden remains at medium-high level and we are near the peak of seasonal flu epidemic. In week 6, the number of laboratory-confirmed cases of influenza to increase but for the second week in a row the rate of increase. Total reported 964 cases, including 865 cases of influenza A and 99 cases influenza B. Unlike previous weeks, the number of cases of influenza A unchanged while the number of cases of influenza B doubled. Signals from the rest of Europe show an increased activity of influenza B. A late wave of influenza B may be to wait just like last season. The number of patients with influenza-intensive cared continue to increase and so far in the season has a total of 122 patients reported.
In this week's special section presents the excellent results from the first mailing of the current influenza strains validated with three commercial tests used in the microbiological laboratories in Sweden.
Patients with suspected or confirmed influenza who were not deemed to be sufficiently protected against severe disease by vaccination should be offered antiviral treatment if they belong to a risk group or are severely ill (such as having impact on breathing or circulation).
Read the full report for week 6, 2016 (PDF, 605 kB)
[h=3]What indicates monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during Week 6 Changes to the
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 934 flu cases, of which:
837 influenza A
97 influenza B
2871 analyzed samples
32.5% positive
[/TD]
[TD]Trend: increase[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 37 cases, of which:
34 (H1N1) pdm09 0 A (H3N2) 3 B Victoria 0 B Yamagata


100 samples
37.0% positive
[/TD]
[TD] Trend: decrease
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD]2 intensive nursed patients, of which:
0 A (H1N1) pdm09
0 A (H3N2)
2 influenza A (not subtypad)
0 B[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 9.1% call for fever in children
Activity: high
[/TD]
[TD]Trend: unchanged[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: high[/TD]
[TD]Trend: decrease[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons[/h]
Influensa%20v6%20pixlr.png

[h=2][/h]
http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/
 
More than usual care for intensive care for swine flu

The number of cases of influenza patients who received intensive care is almost up there on the same level as during the pandemic 2009. Over 120 people have so far been admitted to intensive care. 'It is important that physicians find the difficult cases early,' said statsepidemiologen Anders Tegnell said. How many died remains unclear.

What sets this year's influenza from previous years is that it is about the so-called swine flu A (H1N1), the same as during the pandemic 2009. Effects of mass vaccination is now over, and the swine flu is considered now as an ordinary seasonal flu. Most people get a mild disease, like a cold, but flu can affect otherwise healthy middle-aged people harder than the usual seasonal flu ? which is the most dangerous for the elderly. What stands out from previous years is that we get reports from health care that more intensivv?rdas for swine flu, says Anders Tegnell. In the latest report from the health authority reported 122 cases, during the pandemic it was 138.Nu this year's swine flu epidemic appears to have peaked, the number of reported cases is on the way down in the latest report. At the same time, the data on deaths among middle-aged people just in the Group of people who are otherwise healthy. According to Anders Tegnell is about so few cases that it is difficult to draw any conclusions from it. 'it is only in retrospect that you can examine how many people died of the flu. The vast majority die some time afterwards in various types of complications, and of this group are there so few cases that it is difficult to know what is the chance, 'he said.



http://www.dn.se/nyheter/sverige/fler-an-vanligt-vardas-pa-intensiven-for-svininfluensa/
 
[h=1]Influenza Report[/h] This report was published February 25, 2016 and reported influenza situation week 7, in 2016.


[h=2]Summary Week 7[/h] Influenza activity in Sweden remains at medium-high level, but the number of influenza cases decreased during week 7 and the top of the season's epidemic has been reached.During week 7 reported 698 cases of influenza A and 104 cases of influenza B. It is mainly influenza A that decreases. The number of cases of influenza B in week 7 is largely unchanged from the week 6. The percentage of positive samples for influenza decreases throughout the country. Winter holidays around Sweden could mean a regional break in the spread of the flu. More cases of influenza B can come in the latter part of the epidemic as the previous season. In the rest of Europe decreased both the number of laboratory-confirmed cases and the percentage of positive samples in the sentinel surveillance during weeks 6.
In this week's special episode, we write more about the age distribution of laboratory-confirmed cases and patients with influenza-intensive cared.
We want to continue highlighting the importance of healthcare to be generous with antiviral treatment for patients with suspected or confirmed influenza if they belong to a risk group or are severely ill (such as having impact on breathing or circulation).
Read the full report for week 7, 2016 (PDF, 636 kB)
[h=3]What indicates monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 7 Changes to the
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 802 flu cases, of which:
698 influenza A
104 influenza B
3243 analyzed samples
24.7% positive
[/TD]
[TD]Trend: decrease[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 38 cases, of which:
29 (H1N1) pdm09 0 A (H3N2) 9 B Victoria 0 B Yamagata


78 samples
48.7% positive
[/TD]
[TD] Trend: increase
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD] Cumulatively has 187 intensive nursed patients reported since week 40, 2015, of which:
71 A (H1N1) pdm09
2 A (H3N2)
106 influenza A (not subtypad)
8 B
[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 8.5% call for fever in children
Activity: normal
[/TD]
[TD]Trend: decrease[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: high[/TD]
[TD]Trend: unchanged[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons[/h]
Influensa%20v7_pixlr.png



http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/
 
[h=1]Influenza Report[/h] This report was published March 3, 2016, and reported influenza situation week 8, in 2016.


[h=2]Summary Week 8[/h] Overall, the monitoring systems that the incidence of influenza continues to decrease in Sweden. In week 8, were reported 498 cases of influenza A and 173 cases of influenza B. Compared to Week 7, the number of cases of influenza A by 30%. However, the number of cases of influenza B by 59% after having bottomed out a couple of weeks.Influenza B also seen increase in the rest of Scandinavia and Europe. Winter holidays around Sweden could mean a regional break in the spread of the flu.
In this week's special section you can read more about subtyping and characterization of influenza samples.
We want to continue highlighting the importance of healthcare to be generous with antiviral treatment for patients with suspected or confirmed influenza if they belong to a risk group or are severely ill (such as having impact on breathing or circulation).
Read the full report for Week 8, 2016 (PDF, 636 kB)
Appendix 1. Phylogenetic tree of influenza A (H1N1) pdm09 (PDF, 110 kB)
Appendix 2. Phylogenetic tree of influenza A (H3N2) (PDF, 183 kB)
Appendix 3. Phylogenetic tree for influenza B (PDF, 111 kB)
[h=3]What indicates monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 8 Changes to the
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 671 flu cases, of which:
498 influenza A
173 influenza B
2890 analyzed samples
23.2% positive
[/TD]
[TD]Trend: Decrease[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 26 cases, of which:
9 (H1N1) pdm09 0 A (H3N2) 17 B Victoria 0 B Yamagata


75 samples
34.7% positive
[/TD]
[TD] Trend: Decrease
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD] Cumulatively has 209 intensive nursed patients reported since week 40, 2015, of which:
87 A (H1N1) pdm09
2 A (H3N2)
108 influenza A (not subtypad)
12 B
[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 7.6% call for fever in children
Activity: normal
[/TD]
[TD]Trend: Decrease[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: medium[/TD]
[TD]Trend: Decrease[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons[/h]
Influensa%20v8_pixlr.png

http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/


 
[h=1]Influenza Report[/h] This report was published March 10, 2016 and reported influenza situation in week 9, in 2016.


[h=2]Summary Week 9[/h] In week 9, the influenza epidemic continued to decline in Sweden. Total reported 575 cases, including 343 cases of influenza A and 232 cases of influenza B. Influenza B continues to increase, and 40 percent of the positive samples in week 9 were influenza B. The same trend is also seen in the rest of Scandinavia and Europe where a shift occurs from predominance of influenza A (H1N1) pdm09 to influenza B / Victoria. In this week's special section you can read more about other causes of respiratory infections.
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 is now increasing, we want to highlight the importance of health care to continue 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 9, 2016 (PDF, 711 kB)
[h=3]What indicates monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 9 Changes to the
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 575 flu cases, of which:
343 influenza A
232 influenza B
2871 analyzed samples
20.0% positive
[/TD]
[TD]Trend: Decrease[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 22 cases, of which:
9 (H1N1) pdm09 2 A (H3N2) 10 B Victoria 1 B-Yamagata


61 samples
36.1% positive
[/TD]
[TD] Trend: Decrease
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD] Cumulatively has 251 intensive nursed patients reported since week 40, 2015, of which:
114 A (H1N1) pdm09
2 A (H3N2)
118 influenza A (not subtypad)
17 B
[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 7.3% call for fever in children
Activity: normal
[/TD]
[TD]Trend: Decrease[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: medium[/TD]
[TD]Trend: Decrease[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons[/h]
Influensa%20v9_pixlr.png

...
http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/


 
[h=1]Influenza Report[/h] This report was published March 17, 2016 and reported influenza situation week 10, in 2016.


[h=2]Summary Week 10[/h] 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)
[h=3]What indicates monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 10 Changes to the
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 481 flu cases, of which:
230 influenza A
251 influenza B
2206 analyzed samples
21.8% positive
[/TD]
[TD]Trend: Decrease[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 14 cases, of which:
1 (H1N1) pdm09 2 A (H3N2) 9 Victoria B- 2 B-Yamagata


47 samples
29.8% positive
[/TD]
[TD] Trend: Decrease
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD] 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
[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 7.0% call for fever in children
Activity: normal
[/TD]
[TD]Trend: Decrease[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: medium[/TD]
[TD]Trend: Decrease[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons[/h]
Influensa%20v10_pixlr.png

[h=2][/h]
http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/
 
[h=1]Influenza Report[/h] The report was published on 31 March 2016 and reported influenza situation week 12, 2016.


[h=2]Summary Week 12[/h] 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)
[h=3]What indicates monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 12 Changes to the
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 392 flu cases, of which:
107 influenza A
285 influenza B
1761 analyzed samples
22.3% positive
[/TD]
[TD]Trend: decrease[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 9 cases, of which:
1 (H1N1) pdm09 0 A (H3N2) 7 Victoria B- 1 B-Yamagata


Sample 25
36.0% positive
[/TD]
[TD] Trend: decrease
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD] 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
[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 6.9% call for fever in children
Activity: normal
[/TD]
[TD]Trend: unchanged[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: Low[/TD]
[TD]Trend: decrease[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons[/h]
Influensa%20v12_pixlr.png



...
http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/
 
[h=1]Influenza Report[/h] This report was published April 7, 2016, and reported influenza situation week 13, 2016.


[h=2]Summary Week 13[/h] 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)
[h=3]What indicates monitoring systems?[/h] This table summarizes surveillance data for each system. Learn more about the systems for influenza surveillance
[TABLE="width: 571, height: 1"]
[TR]
Monitoring system Monitoring
during week 13 Changes to the
previous
week [/TR]
[TR]
[TD]Laboratory-based
surveillance[/TD]
[TD] 328 flu cases, of which:
77 influenza A
251 influenza B
1520 analyzed samples
21.6% positive
[/TD]
[TD]Trend: decrease[/TD]
[/TR]
[TR]
[TD]Sentinel Sampling[/TD]
[TD] 6 cases, of which:
1 (H1N1) pdm09 0 A (H3N2) 3 Victoria B- 2 B-Yamagata


22 samples
27.3% positive
[/TD]
[TD] Trend: decrease
[/TD]
[/TR]
[TR]
[TD]SIRI *[/TD]
[TD] 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
[/TD]
[TD]**[/TD]
[/TR]
[TR]
[TD]1177 Health Care Guide on telephone[/TD]
[TD] 5.8% call for fever in children
Activity: normal
[/TD]
[TD]Trend: decrease[/TD]
[/TR]
[TR]
[TD]Web Search for influenza[/TD]
[TD]Activity: Low[/TD]
[TD]Trend: decrease[/TD]
[/TR]
[/TABLE]
* SIRI - Swedish Intensivv?rdsregistrets Influenza Registration
** Because after the registrations are frequently not presented any estimate regarding trend.
[h=3]Number of laboratory-confirmed influenza cases (all types) per week this season and previous seasons[/h]
Influensa%20v13_pixlr.png

...
http://www.folkhalsomyndigheten.se/...ensa-veckorapporter/aktuell-influensarapport/


 
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