Influenza Surveillance 2011-2012

[Ronan Kelly]

2010-2011 season is at this link; http://www.flutrackers.com/forum/showthread.php?t=153897

Influenza Surveillance in Ireland – Weekly Report
Influenza Week 40 2011 (3rd – 9th October 2011)

Summary
•This is the first influenza surveillance report of the 2011/2012 influenza season.
•All indicators of influenza activity in Ireland were at low levels during week 40 2011:
oThe sentinel GP influenza‐like illness (ILI) consultation rate was 3.9 per 100,000 population in week 40 2011, unchanged from the updated rate of 4.0 per 100,000 reported during week 39 2011.
��ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population)
��ILI rates remain at low levels in all age groups
•The proportion of influenza–related calls to GP Out‐of‐Hours services were at low levels for week 40 2011.
•No influenza positive specimens were reported from the NVRL from sentinel or non‐sentinel sources for week 40 2011.
•There were no positive specimens for adenovirus, respiratory syncytial virus, parainfluenza viruses or human metapneumovirus reported from the NVRL from non‐sentinel sources during week 40 2011.
•To date this season, no confirmed influenza cases have been hospitalised, or admitted to ICU. There have been no reports of any influenza‐associated deaths.
•No outbreaks of influenza/ILI have been reported to date this season.
•As of 7th October 2011, influenza activity in the temperate regions of the northern hemisphere remained low or undetectable.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,12953,en.pdf

Edit: The individual links to reports in this thread have been changed and are now dead. Use this link to access hpsc archive page http://www.hpsc.ie/hpsc/A-Z/Respira.../PreviousInfluenzaSeasonsSurveillanceReports/

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 41 2011 (10th ? 16th October 2011)

Summary
?All indicators of influenza activity in Ireland were at low levels during week 41 2011:
?The sentinel GP influenza‐like illness (ILI) consultation rate was 7.3 per 100,000 population in week 41 2011, a slight increase from the updated rate of 3.4 per 100,000 reported during week 40 2011.
?ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population)
?ILI rates remain at low levels in all age groups
?The proportion of influenza?related calls to GP Out‐of‐Hours services were at low levels for week 41 2011.
?No influenza positive specimens were reported from the NVRL from sentinel or non‐sentinel sources for week 41 2011 or for the season to date.
?There were two positive detections of respiratory syncytial virus (RSV) and one parainfluenza virus type 1 (PIV‐1) reported from the NVRL from non‐sentinel sources during week 41 2011.
?To date this season, no confirmed influenza cases have been hospitalised, or admitted to ICU. There have been no reports of any influenza‐associated deaths.
?No outbreaks of influenza/ILI have been reported to date this season.

...

http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,12980,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 42 2011 (17th ? 23rd October 2011)

Summary
?All indicators of influenza activity in Ireland were at low levels during week 42 2011:
?The sentinel GP influenza‐like illness (ILI) consultation rate was 7.5 per 100,000 population in week 42 2011, a slight increase from the updated rate of 6.9 per 100,000 reported during week 41 2011.
?ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population)
?ILI rates remain at low levels in all age groups
?The proportion of influenza?related calls to GP Out‐of‐Hours services increased slightly during week 42 2011 compared to the previous week, however remained at low levels.
?No influenza positive specimens were reported from the NVRL from sentinel or non‐sentinel sources for week 42 2011 or for the season to date.
?There were three respiratory syncytial virus (RSV) and two parainfluenza virus type 1 (PIV‐1) positive detections reported from the NVRL from non‐sentinel sources during week 42 2011.
?To date this season, no confirmed influenza cases have been hospitalised, or admitted to ICU. There have been no reports of any influenza‐associated deaths.
?No outbreaks of influenza/ILI have been reported to date this season.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,12984,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 43 2011 (24th ? 30th October 2011)

Summary
?All indicators of influenza activity in Ireland were at low levels during week 43 2011:
?The sentinel GP influenza‐like illness (ILI) consultation rate was 5.1 per 100,000 population in week 43 2011, a slight decrease from the updated rate of 7.1 per 100,000 reported during week 42 2011.
?ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population)
?ILI rates remain at low levels in all age groups
?The proportion of influenza?related calls to GP Out‐of‐Hours services remained at low levels during week 43 2011.
?No influenza positive specimens were reported from the NVRL from sentinel or non‐sentinel sources for week 43 2011 or for the season to date.
?In week 43 2011, the proportion of positive tests reported from the NVRL for respiratory syncytial virus (RSV) remained low, however increased slightly compared to the previous week. The proportion of positive specimens for parainfluenza viruses remained low and stable.
?To date this season, no confirmed influenza cases have been hospitalised, or admitted to ICU. There have been no reports of any influenza‐associated deaths.
?No outbreaks of influenza/ILI have been reported to date this season.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...&ver=250&xck=0&og=&rev=106117&ct=1&xld=1&xd=1

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 44 2011 (31st October ? 6th November 2011)

Summary
?All indicators of influenza activity in Ireland were at low levels during week 44 2011.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 4.9 per 100,000 population in week 44 2011, remaining unchanged from the updated rate of 4.1 per 100,000 reported during week 43 2011.
�ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population)
?ILI rates remain at low levels in all age groups
?The proportion of influenza?related calls to GP Out‐of‐Hours services remained at low levels during week 44 2011.
?No influenza positive specimens were reported from the NVRL from sentinel or non‐sentinel sources for week 44 2011 or for the season to date.
?In week 44 2011, the proportion of tests positive for respiratory syncytial virus (RSV) reported from the NVRL remained low, however has increased slightly compared to the previous week. No other respiratory viruses were detected by the NVRL during week 44 2011.
?To date this season, no confirmed influenza cases have been hospitalised, or admitted to ICU. There have been no reports of any influenza‐associated deaths.
?No outbreaks of influenza/ILI have been reported to date this season.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,12997,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 45 2011 (7th ? 13th November 2011)

Summary
?All indicators of influenza activity in Ireland were at low levels during week 45 2011.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 8.2 per 100,000 population in week 45 2011, increasing slightly from the updated rate of 4.4 per 100,000 reported during week 44 2011.
?ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population)
?ILI rates remain at low levels in all age groups
?The proportion of influenza?related calls to GP Out‐of‐Hours services remained at low levels during week 45 2011.
?No influenza positive specimens were reported from the NVRL from sentinel or non‐sentinel sources for week 45 2011 or for the season to date.
?The proportion of tests positive for respiratory syncytial virus (RSV) reported from the NVRL increased slightly in the last two weeks, however remains at low levels. One parainfluenza virus type‐1 positive detection was reported from the NVRL for week 45 2011.
?To date this season, no confirmed influenza cases have been hospitalised, or admitted to ICU. There have been no reports of any influenza‐associated deaths.
?No outbreaks of influenza/ILI have been reported to date this season.

...

http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13012,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 46 2011 (14th ? 20th November 2011)

Summary
?All indicators of influenza activity in Ireland were at low levels during week 46 2011.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 7.7 per 100,000 population in week 46 2011, remaining unchanged from the updated rate of 7.7 per 100,000 reported during week 45 2011.
ILI rates remain below the Irish baseline threshold (25.9 per 100,000 ?population)
?ILI rates remain at low levels in all age groups
?The proportion of influenza?related calls to GP Out‐of‐Hours services remained at low levels during week 46 2011.
?Two influenza A (H3) positive specimens were reported from the NVRL from sentinel sources for week 46 2011, these are the first influenza positive specimens of the 2011/2012 influenza season.
?No influenza positive specimens from non‐sentinel sources were reported from the NVRL for week 46 2011 or for the season to date.
?The proportion of tests positive for respiratory syncytial virus (RSV) reported from the NVRL decreased during week 46 2011. One parainfluenza virus type‐2 positive detection was reported from the NVRL for week 46 2011.
?To date this season, no confirmed influenza cases have been hospitalised, or admitted to ICU. There have been no reports of any influenza‐associated deaths.
?No outbreaks of influenza/ILI have been reported to date this season.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13067,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 47 2011 (21st ? 27th November 2011)

Summary
?All indicators of influenza activity in Ireland were at low levels during week 47 2011.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 5.8 per 100,000 population in week 47 2011, a slight decrease from the updated rate of 7.6 per 100,000 reported during week 46 2011.
�??ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population)
�?ILI rates remain at low levels in all age groups
?The proportion of influenza?related calls to GP Out‐of‐Hours services remained at low levels during week 47 2011.
?Two influenza positive specimens (one influenza A H3 and one influenza B) were reported from the NVRL for week 47 2011, both specimens were from non‐sentinel sources.
?The proportion of tests positive for respiratory syncytial virus (RSV), parainfluenza virus type‐1 (PIV‐1) and PIV‐2 reported from the NVRL remained at low levels during week 47 2011.
?No confirmed influenza cases were hospitalised or admitted to ICU between weeks 40‐47 2011. There have been no reports of any influenza‐associated deaths to date this season.
?No outbreaks of influenza/ILI have been reported to date this season.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13076,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 48 2011 (28th November ? 4th December 2011)

Summary
?All indicators of influenza activity in Ireland were at low levels during week 48 2011.
oThe sentinel GP influenza‐like illness (ILI) consultation rate was 8.4 per 100,000 population in week 48 2011, a slight increase from the updated rate of 5.7 per 100,000 reported during week 47 2011.
ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population)
ILI rates remain at low levels in all age groups
?The proportion of influenza?related calls to GP Out‐of‐Hours services remained at low levels during week 48 2011.
?No influenza positive specimens were reported from the NVRL for week 48 2011, from sentinel or non‐sentinel sources.
?The proportion of tests positive for respiratory syncytial virus (RSV) increased slightly in week 48 2011.
?One adenovirus positive detection was reported from the NVRL during week 48 2011; there were no positive detections of parainfluenza viruses or human metapneumovirus during this period.
?Two hospitalised cases of confirmed influenza (one A H3 and one B) were notified during week 48 2011, neither cases were admitted to ICU.
?There have been no reports of any influenza‐associated deaths to date this season.
?No outbreaks of influenza/ILI have been reported to date this season.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13085,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 49 2011 (5th ? 11th December 2011)

Summary
?All indicators of influenza activity in Ireland were at low levels during week 49 2011.
oThe sentinel GP influenza‐like illness (ILI) consultation rate was 9.3 per 100,000 population in week 49 2011, a slight increase from the updated rate of 8.2 per 100,000 reported during week 48 2011.
􀂊ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population)
􀂊ILI rates remain at low levels in all age groups
?The proportion of influenza?related calls to GP Out‐of‐Hours services increased slightly, however remained at low levels during week 49 2011.
?No influenza positive specimens were reported from the NVRL for week 49 2011, from sentinel or non‐sentinel sources.
?The proportion of tests positive for respiratory syncytial virus (RSV) increased slightly during weeks 48 and 49 2011, compared to recent weeks. RSV levels remain at lower levels than the 2010/2011 season.
?Two adenovirus positive detections were reported from the NVRL during week 49 2011; there were no positive detections of parainfluenza viruses or human metapneumovirus during this period.
?One hospitalised case of confirmed influenza A was notified during week 49 2011, this case was not admitted to ICU.
?There have been no reports of any patients admitted to critical care units with confirmed influenza for the 2011/2012 influenza season to date.
?There have been no reports of any influenza‐associated deaths to date this season.
?No outbreaks of influenza/ILI have been reported to date this season.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13088,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 50 2011 (12th ? 18th December 2011)

Summary
?All indicators of influenza activity in Ireland were at low levels during week 50 2011.
oThe sentinel GP influenza‐like illness (ILI) consultation rate was 11.9 per 100,000 population in week 50 2011, a slight increase from the updated rate of 9.1 per 100,000 reported during week 49 2011.
􀂊ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population), however rates have increased slightly each week for three consecutive weeks.
􀂊ILI rates remain at low levels in all age groups
?The proportion of influenza?related calls to GP Out‐of‐Hours services increased slightly, however remained at low levels during week 50 2011.
?One influenza B positive specimen was reported from the NVRL for week 50 2011, from sentinel sources. No influenza positive detections were reported from non‐sentinel sources during week 50 2011.
?The proportion of tests positive for respiratory syncytial virus (RSV) increased significantly during week 50 2011, compared to recent weeks.
?One parainfluenza virus type 2 (PIV‐2) positive detection was reported from the NVRL during week 50 2011; there were no positive detections of adenovirus, PIV‐1 or ‐3 or human metapneumovirus during this period.
?There were no reports of any confirmed influenza cases hospitalised during week 50 2011.
?There have been no reports of any patients admitted to critical care units with confirmed influenza for the 2011/2012 influenza season to date.
?There have been no reports of any influenza‐associated deaths to date this season.
?No outbreaks of influenza/ILI have been reported to date this season.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13097,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Weeks 51 & 52 2011 (19th December 2011 ? 1st January 2012)

Summary
?All indicators of influenza activity in Ireland were at low levels during weeks 51 and 52 2011, however, some indicators have started to increase.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 7.2 per 100,000 population in week 52 2011, a slight decrease from the rate of 10.9 per 100,000 during week 51 2011.
􀂊ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population)
􀂊ILI rates remain at low levels in all age groups

?The proportion of influenza?related calls to GP Out‐of‐Hours services increased during week 52 2011.
?No influenza positive specimens were detected by the NVRL during week 52 2011. During week 51 2011, six influenza A positive specimens were detected: 5 influenza A (H3) and one influenza A (unsubtyped).
?The proportion of RSV positive detections increased during week 52 2011 and was at high levels, compared to the same period last season.
?Three adenovirus, one parainfluenza virus type‐1 and one parainfluenza virus type‐2 positive detections were detected by the NVRL during weeks 51 and 52 2011. There were no positive detections of parainfluenza virus type ‐3 or human metapneumovirus during this period.
?There was one confirmed influenza A case hospitalised during week 52 2011. Between weeks 40 and 52 2011, two confirmed influenza cases have been hospitalised.
?There have been no reports of any patients admitted to critical care units with confirmed influenza for the 2011/2012 influenza season to date.
?There have been no reports of any influenza‐associated deaths to date this season.
?No outbreaks of influenza/ILI have been reported to date this season.
?Influenza activity in the temperate regions of the northern hemisphere remained low. There has been no evidence of sustained influenza transmission in EU/EEA countries since the start of the influenza season. http://www.who.int/influenza/surveillance_monitoring/updates/en/index.html

http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13113,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 1 2012 (2nd ‐ 8th January 2012)

Summary
?Influenza activity in Ireland continued to increase during week 1 2012, however, remained at low levels.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 15.1 per 100,000 population in week 1 2012, an increase from the updated rate of 7.1 per 100,000 during week 52 2011.
􀂊ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population).
􀂊ILI rates increased in all age groups, however remained at low levels.
?The proportion of influenza?related calls to GP Out‐of‐Hours services decreased slightly during week 1 2012.
?Four influenza positive specimens were detected by the NVRL during week 1 2012, three influenza A (H3) and one influenza B.
?To date this season, influenza A (H3) has been the dominant influenza virus detected.
?The proportion of respiratory syncytial virus (RSV) positive detections remained at high levels during week 1 2012, compared to the same period last season.
?One adenovirus positive detection was reported by the NVRL during week 1 2012. There were no positive detections of parainfluenza viruses or human metapneumovirus during this period.
?There were three confirmed influenza A hospitalised cases notified during week 1 2012.
?The first confirmed influenza case admitted to critical care this season was reported during week 1 2012, an influenza A (H3) case.
?There have been no reports of any influenza‐associated deaths between weeks 40 2011 and week 1 2012.
?No influenza/ILI outbreaks have been reported to date this season. One RSV outbreak in a hospital was reported during week 1 2012.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13147,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Influenza Surveillance Surveillance inin Ireland Ireland ?? Weekly Weekly Report Report
Influenza Week 2 2012 (9th*‐*15th January 2012)*

*Summary
? Influenza activity in Ireland continued to increase during week 2 2012, however, remained at low levels.
? The sentinel GP influenza‐like illness (ILI) consultation rate was 15.0 per 100,000 population in week 2 2012, a slight increase from the updated rate of 13.6 per 100,000 during week 1 2011.**
Š ILI rates remain below the Irish baseline threshold (25.9 per 100,000 population).**
Š ILI rates increased in the 5‐14 year age group and in those aged 65 years or older.**
? The proportion of influenza?related calls to GP Out‐of‐Hours services decreased slightly during week 2
2012.**
? Twelve influenza positive specimens were detected by the NVRL during week 2 2012, 10 influenza A (H3), one influenza A (unsubtyped) and one influenza B.**
? To date this season, influenza A (H3) has been the dominant influenza virus detected.
? The proportion of respiratory syncytial virus (RSV) positive detections decreased in week 2 2012. RSV
reached peak positivity levels for this season during week 52 2011.**
? Sporadic detections of adenovirus, parainfluenza virus type 2 and human metapneumovirus were reported
by the NVRL during week 2 2012, positivity levels for these viruses remained low.**
? There were three confirmed influenza hospitalised cases notified during week 2 2012.**
? No confirmed influenza cases were admitted to critical care during week 2 2012. To date this season, one influenza A (H3) case admitted to critical care was reported to HPSC.***
? One influenza B associated death was reported during week 2 2012, this is the first influenza‐associated death reported for the 2011/2012 influenza season.**
? One influenza A outbreak was reported in a hospital setting during week 2 2012.***

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13159,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 3 2012 (16th ? 22nd January 2012)

Summary
?Influenza activity in Ireland remained stable and at low levels during week 3 2012.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 11.9 per 100,000 population in week 3 2012, a slight decrease from the updated rate of 15.1 per 100,000 during week 2 2011.
􀂊ILI rates remained below the Irish baseline threshold (25.9 per 100,000 population).
􀂊ILI rates remained low in all age groups.
?The proportion of influenza?related calls to GP Out‐of‐Hours services remained at low levels and decreased during week 3 2012.
?Ten influenza positive specimens were detected by the NVRL during week 3 2012, all of which were influenza A (H3). To date this season, influenza A (H3) has been the dominant influenza virus detected.
?The proportion of respiratory syncytial virus (RSV) positive detections decreased further in week 3 2012. RSV reached peak positivity levels for this season during week 52 2011.
?Sporadic detections of adenovirus and human metapneumovirus were reported by the NVRL during week 3 2012, positivity levels for these viruses remained low.
?There was one confirmed influenza hospitalised case notified during week 3 2012.
?No confirmed influenza cases were admitted to critical care during week 3 2012. To date this season, one influenza A (H3) case admitted to critical care was reported to HPSC.
?No influenza‐associated deaths were reported during week 3 2012. Two influenza‐associated deaths were reported to HPSC to date this season.
?No influenza outbreaks were reported during week 3 2012. To date this season, one influenza outbreak has been reported.
...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13173,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Influenza Surveillance Surveillance inin Ireland Ireland ?? Weekly Weekly Report Report
Influenza Week 4 2012 (23rd? 29th January 2012)

Summary
? Influenza activity in Ireland remained at low levels during week 4 2012.
? The sentinel GP influenza‐like illness (ILI) consultation rate was 12.2 per 100,000 population in week 4
2012, a slight increase from the updated rate of 10.6 per 100,000 during week 3 2011.**
Š ILI rates remained below the Irish baseline threshold (25.9 per 100,000 population).**
Š ILI rates remained low in all age groups.**
? The proportion of influenza?related calls to GP Out‐of‐Hours services remained at low levels during week 4
2012.**
? Eleven influenza positive specimens were detected by the NVRL during week 4 2012, all of which were
influenza A (H3). To date this season, influenza A (H3) has been the dominant influenza virus detected.
? The proportion of respiratory syncytial virus (RSV) positive detections increased during week 4 2012. RSV
activity remained at high levels during week 4 2011.**
? One positive detection of human metapneumovirus (hMPV) was reported during week 4 2012. Positivity
levels for hMPV, adenovirus and parainfluenza viruses have remained at low levels this season.***
? Three confirmed influenza hospitalised cases (all influenza A) were notified during week 4 2012.**
? No confirmed influenza cases were admitted to critical care during week 4 2012. To date this season, two
influenza A (H3) cases admitted to critical care were reported to HPSC.***
? No influenza‐associated deaths were reported during week 4 2012. Two influenza‐associated deaths were
reported to HPSC to date this season.***
? No influenza outbreaks were reported during week 4 2012. To date this season, one influenza outbreak
and one RSV outbreak have been reported.**
...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317132588056

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 5 2012 (30th January ? 5th February 2012)

Summary
?Influenza activity in Ireland continued to increase during week 5 2012, however remained at low levels.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 17.3 per 100,000 population in week 5 2012, a slight increase from the updated rate of 11.4 per 100,000 during week 4 2011.
􀂊ILI rates remained below the Irish baseline threshold (25.9 per 100,000 population).
􀂊ILI rates increased in all age groups, with the exception of 5‐14 year olds.
?The proportion of influenza?related calls to GP Out‐of‐Hours services increased slightly during week 5 2012.
?Twenty‐seven influenza positive specimens were detected by the NVRL during week 5 2012, all of which were influenza A (H3). To date this season, influenza A (H3) has been the dominant influenza virus detected.
?The proportion of respiratory syncytial virus (RSV) positive detections decreased during week 5 2012. RSV activity peaked this season during week 52 2011.
?One positive detection of adenovirus was reported during week 5 2012. Positivity levels for human metapneumovirus (hMPV), adenovirus and parainfluenza viruses have remained at low levels this season.
?Six confirmed influenza hospitalised cases (all influenza A) were notified during week 5 2012.
?No confirmed influenza cases were admitted to critical care during week 5 2012. To date this season, two influenza A (H3) cases admitted to critical care were reported to HPSC.
?One influenza‐associated death was reported during week 5 2012. Three influenza‐associated deaths have been reported to HPSC to date this season.
?One influenza A (H3) outbreak in a community hospital/long stay unit was reported during week 5 2012. To date this season, two influenza outbreaks and one RSV outbreak have been reported.
...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13194,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 6 2012 (6th ? 12th February 2012)

Summary
?Influenza activity in Ireland continued to increase during week 6 2012, however remained at low levels.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 26.2 per 100,000 population in week 6 2012, an increase compared to the updated rate of 15.7 per 100,000 during week 5 2011.
��ILI rates are now above the Irish baseline threshold (25.9 per 100,000 population).
��ILI rates increased in all age groups, in particular in 0‐4 year olds.
?The proportion of influenza?related calls to GP Out‐of‐Hours services increased slightly during week 6 2012, although remained at low levels.
?Forty‐one influenza positive specimens were detected by the NVRL during week 6 2012. Influenza positivity has increased each week for three consecutive weeks. Influenza A (H3) has been the dominant influenza virus detected this season.
?The proportion of respiratory syncytial virus (RSV) positive detections decreased further during week 6 2012. RSV activity peaked this season during week 52 2011.
?One adenovirus and three human metapneumovirus (hMPV) positive detections were reported during week 6. Positivity levels for hMPV, adenovirus and parainfluenza viruses have remained low this season.
?Three confirmed influenza hospitalised cases (all influenza A) were notified during week 6 2012.
?No confirmed influenza cases were admitted to critical care during week 6 2012. To date this season, two influenza A (H3) cases admitted to critical care were reported to HPSC.
?Three influenza‐associated deaths have been reported to HPSC to date this season.
?One influenza A outbreak in a residential unit was reported during week 6 2012. To date this season, three influenza outbreaks and one RSV outbreak have been reported.
?Influenza activity continued to increase across Europe, although with significant variation and no clear geographic progression.

...
http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13198,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 7 2012 (13th ? 19th February 2012)

Summary
?Influenza activity in Ireland continued to increase slowly during week 7 2012, but still remained at low levels.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 32.9 per 100,000 population in week 7 2012, a slight increase compared to the updated rate of 25.0 per 100,000 during week 6 2011.
􀂊ILI rates are now above the Irish baseline threshold (25.9 per 100,000 population).
􀂊The highest age specific ILI rates were in the 5‐14 year age group during week 7 2012.
?Fifty‐eight influenza positive specimens were detected by the NVRL during week 7 2012. Influenza A (H3) has been the dominant influenza virus detected this season.
?The proportion of respiratory syncytial virus (RSV) positive detections decreased further during week 7 2012. RSV activity peaked this season during week 52 2011.
?Eleven human metapneumovirus (hMPV) positive detections were reported during week 7 2012. Positivity levels for hMPV, adenovirus and parainfluenza viruses have remained low this season.
?Eleven confirmed influenza hospitalised cases (all influenza A) were notified during week 7 2012.
?HPSC was notified of three confirmed influenza A (H3) ICU admissions during week 7 2012, two paediatric cases and one adult case. To date this season, five influenza A (H3) cases admitted to critical care were reported to HPSC.
?Three influenza‐associated deaths have been reported to HPSC to date this season.
?One influenza A hospital outbreak was reported during week 7 2012. To date this season, four influenza outbreaks and one RSV outbreak have been reported.
?Influenza activity continued to increase across Europe, although with significant variation in timing and no clear geographic progression.

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http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13208,en.pdf

 

[Ronan Kelly]

Re: Influenza Surveillance 2011-2012

Influenza Surveillance in Ireland ? Weekly Report
Influenza Week 8 2012 (20th ? 26th February 2012)

Summary
?Influenza activity in Ireland continued to increase slowly during week 8 2012, however still remained at low levels.
?The sentinel GP influenza‐like illness (ILI) consultation rate was 43.1 per 100,000 population in week 8 2012, a slight increase compared to the updated rate of 32.9 per 100,000 during week 7 2011.
��ILI rates are now above the Irish baseline threshold (25.9 per 100,000 population).��ILI rates have increased slightly each week for five consecutive weeks.
��The highest age specific ILI rates were in the 5‐14 year age group during week 8 2012.
?Fifty‐seven influenza positive specimens were detected by the NVRL during week 8 2012. Influenza A (H3) has been the dominant influenza virus detected this season.
?The proportion of respiratory syncytial virus (RSV) positive detections decreased further during week 8 2012. RSV activity peaked this season during week 52 2011.
?Five adenovirus and three human metapneumovirus (hMPV) positive detections were reported during week 8 2012. Positivity levels for hMPV, adenovirus and parainfluenza viruses have remained low.
?Thirteen confirmed influenza hospitalised cases (all influenza A) were notified during week 8 2012.
?No confirmed influenza cases were admitted to critical care units and reported to HPSC during week 8 2012. To date this season, five influenza A (H3) cases admitted to critical care were reported to HPSC.
?Three influenza‐associated deaths have been reported to HPSC to date this season.
?No influenza outbreaks were reported to HPSC during week 8 2012. To date this season, four influenza outbreaks and one RSV outbreak have been reported.
?In Europe, the 2011/2012 influenza season started later than in recent seasons and has been without any clear geographic progression. The national influenza season epidemics may be approaching their peak in the first affected countries and remain dominated by influenza A (H3) viruses.
?The WHO has recommended the influenza vaccine strains for the 2012/2013 influenza seasonal vaccine. http://www.who.int/influenza/vaccines/virus/recommendations/en/index.html

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http://www.hpsc.ie/hpsc/A-Z/Respira...lanceReports/20112012Season/File,13215,en.pdf