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UK PHE Weekly National Influenza Report: 3214 ICU admissions and 314 deaths

tetano

tetano

Editor, Senior Moderator
Week 52

The rate of influenza-like illness (ILI) was Below Baseline threshold levels. The overall weekly ILI GP consultation rate was 8.4 per 100,000 registered population in participating GP practices for England, this is similar to 9.4 per 100,000 in week 51. Due to bank holidays in week 52, GP surgeries were only open for three days, so data should therefore be interpreted with caution
In the devolved administrations, ILI rates were also Below Baseline threshold levels for Wales and Northern Ireland. Data was not available for Scotland for week 52
Hospitalisation rate observed was at Moderate impact threshold levels, with a rate of 1.96 per 100,000 trust catchment population for England (19 NHS Trusts), this is an increase from 1.06 per 100,000 in week 51.
ICU/HDU admission rate observed was at Moderate impact threshold levels, with a rate of 0.29 per 100,000 trust catchment population for England (132/143 NHS Trusts), this is an increase from 0.19 per 100,000 in week 51.
There were no new influenza admissions reported from the 6 Severe Respiratory Failure centres in the UK.

Microbiological Surveillance
Primary care: 1 sample tested positive for influenza (1 influenza A(H3N2)) through the UK GP sentinel swabbing schemes.
Secondary care: Influenza percent positivity was 17.4%, Above Baseline threshold level, an increase from 12.4% in week 51. There were 368 detections recorded through the DataMart scheme (160 influenza A(H1N1)pdm09, 70 influenza A(H3), 135 influenza A(not subtyped) and 3 influenza B).

USISS sentinel weekly hospitalised confirmed influenza cases, England (week 52)
- In week 52, there were 160 hospitalised laboratory confirmed influenza cases (59 influenza A(H1N1)pdm09, 8 influenza
A(H3N2), 92 influenza A(unknown subtype)and 1 influenza B) reported from 19 NHS Trusts across England through the
USISS sentinel hospital network, with a rate of 1.96 per 100,000 trust catchment population compared to 1.06 per 100,000 in
the previous week (Figures 6 and 7). This is above the baseline impact threshold of 0.89 per 100,000 within the moderate
impact range.
- A total of 509 hospitalised confirmed influenza admissions (256 influenza A(H1N1)pdm09, 40 influenza A(H3N2), 194
influenza A(unknown subtype) and 19 influenza B) and have been reported in the UK since week 40 2018 via the sentinel

Number of new admissions and fatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme),
UK (week 52)
- In week 52, there were 145 new admissions to ICU/HDU with confirmed influenza (44 influenza A(H1N1)pdm09, 10
influenza A(H3N2), 89 influenza A(unknown subtype) and 2 influenza B) reported across the UK (132/143 Trusts in England)
through the USISS mandatory ICU scheme. The rate for England (n=138) was 0.29 per 100,000 trust catchment population
compared to 0.19 per 100,000 in the previous week (Figures 8 and 9), above the baseline threshold of 0.09 per 100,000
within the moderate impact range. Eight influenza laboratory-confirmed deaths were reported to have occurred in ICU in week
52 in the UK.
- A total of 424 new ICU/HDU admissions (170 influenza A(H1N1)pdm09, 15 influenza A(H3N2), 226 influenza A(unknown
subtype) and 13 influenza B) and 29 confirmed deaths have been reported in the UK since week 40 2018.

USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 52)
- In week 52, there were no new admissions for laboratory confirmed influenza among the 6 Severe Respiratory Failure
(SRF) centres in the UK.
- Since week 40 there has been 10 confirmed influenza admissions (9 influenza A(H1N1)pdm09 and 1 influenza A(H3N2)) to
ECMO centres

https://assets.publishing.service.go...eek_1_2019.pdf
 
Last edited:
Week 1

Community
 Ninety-seven new acute respiratory outbreaks have been reported in the past 7 days. Eighty-four outbreaks were reported from care homes where 15 tested positive for influenza A(not subtyped), 1 influenza A(H1N1)pdm09, 3 human metapneumovirus (hMPV), 1 picornavirus, 3 rhinovirus and 5 RSV, there were 2 mixed infections 1 influenza A(not subtyped) and RSV and 1 RSV and rhinovirus. Eleven outbreaks were reported from hospitals where 2 tested positive for influenza A(not subtyped), 1 influenza A(H3), 1 hMPV, 1 RSV and 1 mixed infection with influenza B and RSV . The remaining 2 outbreaks were reported from the Other settings category with 1 positive for influenza A(H1N1)pdm09.
Primary Care
The rate of influenza-like illness (ILI) was at Low intensity threshold levels. The overall weekly ILI GP consultation rate was 14.8 per 100,000 registered population in participating GP practices for England, this is an increase from 8.4 per 100,000 in week 52 2018. Due to bank holidays in week 52, GP surgeries were only open for 4 days, so data should therefore be interpreted with caution
In the devolved administrations, ILI rates were Below Baseline threshold levels for Northern Ireland and Scotland and were at Low intensity threshold levels for Wales

In week 01 2018, there were 282 hospitalised laboratory confirmed influenza cases (149 influenza A(H1N1)pdm09, 20
influenza A(H3N2), 111 influenza A(unknown subtype)and 2 influenza B) reported from 14 NHS Trusts across England
through the USISS sentinel hospital network, with a rate of 4.32 per 100,000 trust catchment population compared to 1.96 per
100,000 in the previous week (Figures 6 and 7). This is above the baseline impact threshold of 1.96 per 100,000 within the
moderate impact range.
- A total of 791 hospitalised confirmed influenza admissions (405 influenza A(H1N1)pdm09, 60 influenza A(H3N2), 305
influenza A(unknown subtype) and 21 influenza B) and have been reported in the UK since week 40 2018 via the sentinel
scheme.

In week 01 2019, there were 205 new admissions to ICU/HDU with confirmed influenza (53 influenza A(H1N1)pdm09, 7
influenza A(H3N2), 143 influenza A(unknown subtype) and 2 influenza B) reported across the UK (130/143 Trusts in England)
through the USISS mandatory ICU scheme. The rate for England (n=190) was 0.40 per 100,000 trust catchment population
compared to 0.32 per 100,000 in the previous week (Figures 8 and 9), above the baseline threshold of 0.09 per 100,000
within the moderate impact range. Ten influenza laboratory-confirmed deaths were reported to have occurred in ICU in week
01 in the UK.
- A total of 666 new ICU/HDU admissions (252 influenza A(H1N1)pdm09, 23 influenza A(H3N2), 376 influenza A(unknown subtype) and 15 influenza B) and 41 confirmed deaths have been reported in the UK since week 40 2018.

In week 01, there were 8 new admissions for laboratory confirmed influenza (7 influenza A(H1N1)pdm09 and 1 influenza A(H3N2)) among the 6 Severe Respiratory Failure (SRF) centres in the UK. - Since week 40 there has been 18 confirmed influenza admissions (16 influenza A(H1N1)pdm09 and 2 influenza A(H3N2)) to ECMO centres



https://assets.publishing.service.go...eek_2_2019.pdf
 
Week 2

Community
 Ninety-two new acute respiratory outbreaks have been reported in the past 7 days. Sixty-seven outbreaks were reported from care homes where 16 tested positive for influenza A(not subtyped), 1 influenza A(H1N1)pdm09, 1 influenza B, 1 human metapneumovirus (hMPV), 1 parainfluenza and 3 RSV. Fourteen outbreaks were reported from hospitals where 6 tested positive for influenza A(not subtyped), 2 influenza A(H1N1)pdm09 and 3 influenza A(H3). Eight outbreaks were reported from schools where 1 was positive for influenza A(H1N1)pdm09 and 1 was positive for influenza A(not subtyped). The remaining 3 outbreaks were reported from the Other settings category where 2 tested positive for influenza A(not subtyped).
Primary Care
The rate of influenza-like illness (ILI) was at Low intensity levels. The overall weekly ILI GP consultation rate was 19.2 per 100,000 registered population in participating GP practices for England, this is an increase from 14.8 per 100,000 in week 01 2019.
In the devolved administrations, ILI rates were Below Baseline threshold levels for Scotland and were at Low intensity levels for Northern Ireland and at Medium intensity levels for Wales.

USISS sentinel weekly hospitalised confirmed influenza cases, England (week 02)
- In week 02 2019, there were 458 hospitalised laboratory confirmed influenza cases (167 influenza A(H1N1)pdm09, 43
influenza A(H3N2), 246 influenza A(unknown subtype)and 2 influenza B) reported from 22 NHS Trusts across England
through the USISS sentinel hospital network, with a rate of 4.75 per 100,000 trust catchment population compared to 3.54 per
100,000 in the previous week (Figures 6 and 7). This is above the baseline impact threshold of 0.89 per 100,000 within the
medium impact range.
- A total of 1,211 hospitalised confirmed influenza admissions (532 influenza A(H1N1)pdm09, 100 influenza A(H3N2), 556
influenza A(unknown subtype) and 23 influenza B) and have been reported in the UK since week 40 2018 via the sentinel
scheme.

Number of new admissions and fatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme),
UK (week 02)
- In week 02 2019, there were 237 new admissions to ICU/HDU with confirmed influenza (71 influenza A(H1N1)pdm09, 18
influenza A(H3N2), 147 influenza A(unknown subtype) and 1 influenza B) reported across the UK (128/143 Trusts in England)
through the USISS mandatory ICU scheme. The rate for England (n=232) was 0.50 per 100,000 trust catchment population
compared to 0.42 per 100,000 in the previous week (Figures 8 and 9), above the baseline threshold of 0.09 per 100,000
within the high impact range. Twenty-six influenza laboratory-confirmed deaths were reported to have occurred in ICU in
week 02 in the UK.
- A total of 932 new ICU/HDU admissions (341 influenza A(H1N1)pdm09, 43 influenza A(H3N2), 532 influenza A(unknown
subtype) and 16 influenza B) and 68 confirmed deaths have been reported in the UK since week 40 2018.
All-cause death registrations, England and Wales
- In week 01 2019, an estimated 10,955 all-cause deaths were registered in England and Wales (source: Office for National
Statistics). This is an increase compared to the 7,131 estimated death registrations in week 52 2018

In week 02 2019 in England, no statistically significant excess
mortality by week of death above the upper 2 z-score threshold was
seen overall, by age group and sub-nationally (all ages), after
correcting ONS disaggregate data for reporting delay with the
standardised EuroMOMO algorithm. This data is provisional due to the
time delay in registration; numbers may vary from week to week

https://assets.publishing.service.g...kly_national_influenza_report_week_3_2019.pdf
 
Week 3

Primary Care
The rate of influenza-like illness (ILI) was at Low intensity levels. The overall weekly ILI GP consultation rate was 19.6 per 100,000 registered population in participating GP practices for England, this is similar to 19.2 per 100,000 in week 02 2019.
In the devolved administrations, ILI rates were Below Baseline threshold levels for Scotland and Northern Ireland and were at Medium intensity levels for Wales.

Influenza confirmed hospitalisations (provisional)
In week 03 2019, there were 441 hospitalised confirmed influenza cases (185 influenza A(H1N1)pdm09, 25
influenza A(H3N2), 230 influenza A(unknown subtype)and 1 influenza B) reported through the USISS sentinel
hospital network across England (21 NHS Trusts). There were 272 new admissions to ICU/HDU with confirmed
influenza (79 influenza A(H1N1)pdm09, 14 influenza A(H3N2), 177 influenza A(unknown subtype) and 2 influenza
B) reported through the USISS mandatory ICU/HDU surveillance scheme across the UK (138/143 NHS Trusts in
England).

Number of new admissions and fatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme),
UK (week 03)
- In week 03 2019, there were 272 new admissions to ICU/HDU with confirmed influenza (79 influenza A(H1N1)pdm09, 14
influenza A(H3N2), 177 influenza A(unknown subtype) and 2 influenza B) reported across the UK (138/143 Trusts in England)
through the USISS mandatory ICU scheme. The rate for England (n=268) was 0.54 per 100,000 trust catchment population
compared to 0.55 per 100,000 in the previous week (Figures 8 and 9), above the baseline threshold of 0.09 per 100,000
within the high impact range. Thirty-one influenza laboratory-confirmed deaths were reported to have occurred in ICU in week
03 in the UK.
- A total of 1,254 new ICU/HDU admissions (441 influenza A(H1N1)pdm09, 62 influenza A(H3N2), 733 influenza A(unknown
subtype) and 18 influenza B) and 102 confirmed deaths have been reported in the UK since week 40 2018.

USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 03)
- In week 03, there were 8 new admissions for laboratory confirmed influenza (6 influenza A(H1N1)pdm09 and 2 influenza
A(unknown subtype)) among the 6 Severe Respiratory Failure (SRF) centres in the UK.
- Since week 40 there has been 36 confirmed influenza admissions (32 influenza A(H1N1)pdm09, 1 influenza A(H3N2) and 3
influenza A(unknown subtype)) to ECMO centres

In week 03 2019, no statistically significant excess all-cause mortality by week of death was observed
overall and by age group in England, through the EuroMOMO algorithm. In the devolved
administrations, no statistically significant excess all-cause mortality for all ages was observed in
Wales and Northern Ireland in week 03 2019 and in Scotland in week 01 2019.


https://assets.publishing.service.g...kly_national_influenza_report_week_4_2019.pdf
 
Week 4

The rate of influenza-like illness (ILI) wasatLow intensitylevels. The overall weekly ILI GP consultation rate was 17.5per 100,000 registered population in participating GP practices for England, this is a decrease from 19.6 per 100,000 in week 032019.?In the devolved administrations, ILI rates were Below Baselinethreshold levels for Scotland andNorthern Irelandand were at Lowintensitylevels for Wales

All-cause mortality?In week 042019, no statistically significant excess all-cause mortality by week of death was seen overall and by age group in England. In the devolved administrations, no statistically significant excess all-cause mortality for all ages was observed in Northern Irelandand Wales in week 04; statistically significant excess all-cause mortality was observed inScotlandin week 022019.


USISS sentinel weekly hospitalised confirmed influenza cases, England (week 04)-In week 042019, there were 575hospitalised laboratory confirmed influenza cases(210influenza A(H1N1)pdm09, 60influenza A(H3N2)and 350influenza A(unknown subtype))reported from 21NHS Trusts across England through the USISS sentinel hospital network, with a rate of 6.11 per 100,000 trust catchment population compared to 5.12per 100,000 in the previous week (Figures 6 and 7). This is above the baseline impact threshold of 0.89 per 100,000 within the highimpact range. -A total of2,269hospitalised confirmed influenza admissions (953 influenza A(H1N1)pdm09, 192influenza A(H3N2),1,100influenza A(unknown subtype) and 24 influenza B) and have been reported in the UK since week 40 2018 via the sentinel scheme


Number of new admissions and fatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme), UK (week 04)-In week 042019, there were 275new admissionsto ICU/HDU with confirmed influenza (69 influenza A(H1N1)pdm09, 19 influenza A(H3N2) and187 influenza A(unknown subtype)) reported across the UK (135/143 Trusts in England) throughthe USISS mandatory ICU scheme. The ratefor England (n=271) was0.56per 100,000 trust catchment population compared to 0.57per 100,000 in the previous week (Figures 8 and 9), above the baseline threshold of 0.09 per 100,000within the high impact range. Twenty-sixinfluenza laboratory-confirmeddeaths werereported to have occurred inICU in week 04in the UK.-A total of 1,548new ICU/HDU admissions (522influenza A(H1N1)pdm09,85influenza A(H3N2), 923 influenza A(unknown subtype) and 18influenza B) and 131confirmed deaths havebeen reported in the UK since week 40 2018


USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 04)-In week 04,there were 8new admissionsfor laboratory confirmed influenza(6 influenza A(H1N1)pdm09 and 2 influenza A(unknown subtype)) among the 6 Severe Respiratory Failure (SRF) centres in the UK. -Since week 40 there has been 48confirmed influenza admissions(40influenza A(H1N1)pdm09, 4influenza A(H3N2)and 4 influenza A(unknown subtype)) to ECMO centres

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/775384/Weekly_national_influenza_report_week_5_2019.pdf
 
Week 5

Primary Care?The rate of influenza-like illness (ILI) wasatLow intensitylevels. The overall weekly ILI GP consultation rate was 19.7per 100,000 registered population in participating GP practices for England, this is aslightincrease from 17.5 per 100,000 in week 04 2019. ?In the devolved administrations, ILI rates were Below Baselinethreshold levels for Northern Irelandand were atLow intensitylevels forScotland and Medium intensity levels forWales

RCGP (England)-The weekly ILI consultation rate through the RCGP surveillance was at 19.7 per 100,000 registered population in participating GP practices in week 05 2019, this is a a slight increase from 17.5 per 100,000 in week 04. This is abovethe baseline threshold (13.1 per 100,000) (Figure 4*). By age group, the highest rates were seen in 45-64 year olds (24.3 per 100,000)and in 15-44 year olds (22.9 per 100,000).

USISS sentinel weekly hospitalised confirmed influenza cases, England (week 05)-In week 05 2019, there were 583 hospitalised laboratory confirmed influenza cases(238 influenza A(H1N1)pdm09, 56 influenza A(H3N2), 288 influenza A(unknown subtype) and 1 influenza B)reported from 22NHS Trusts across England through the USISS sentinel hospital network, with a rate of 5.92 per 100,000 trust catchment population compared to 5.99 per 100,000 in the previous week (Figures 6 and 7). This is above the baseline impact thresholdof 0.89 per 100,000 within the high impact range. -A total of2,881 hospitalised confirmed influenza admissions (1,199 influenza A(H1N1)pdm09, 249 influenza A(H3N2),1,141 influenza A(unknown subtype) and 25 influenza B) and have been reported in the UK since week 40 2018 via the sentinel scheme.

Number of new admissions and fatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme), UK (week 05)-In week 05 2019, there were 285 new admissionsto ICU/HDU with confirmed influenza (75 influenza A(H1N1)pdm09, 10 influenza A(H3N2) and 200 influenza A(unknown subtype)) reported across the UK (135/143 Trusts in England) throughthe USISS mandatory ICU scheme. The ratefor England (n=270) was0.56per 100,000 trust catchment population compared to 0.56 per 100,000 in the previous week (Figures 8 and 9), above the baseline threshold of 0.09 per 100,000within the high impact range. Twenty-six influenza laboratory-confirmeddeaths werereported to have occurred inICU in week 05in the UK.-A total of 1,884 new ICU/HDU admissions (626influenza A(H1N1)pdm09,98influenza A(H3N2), 1,141 influenza A(unknown subtype) and 19influenza B) and 168confirmed deaths havebeen reported in the UK since week 40 2018.

USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 05)-In week 05,there were 6new admissionsfor laboratory confirmed influenza(5 influenza A(H1N1)pdm09 and 1 influenza A(unknown subtype)) among the 6 Severe Respiratory Failure (SRF) centres in the UK. -Since week 40 there have been 54confirmed influenza admissions(45 influenza A(H1N1)pdm09, 4 influenza A(H3N2)and 5 influenza A(unknown subtype)) to ECMO centres

In week 052019, no statistically significant excess all-cause mortality by week of death was observed overall and by age groupin England, through the EuroMOMO algorithm. In the devolved administrations,no statistically significant excess all-cause mortality for all ages was observedin Walesin week 052019 and inScotlandin week 032019.

https://assets.publishing.service.g...kly_national_influenza_report_week_6_2019.pdf
 
Week 6

?One-hundred and one new acute respiratory outbreaks have been reported in the past 7 days. Sixty outbreaks were reported from care homes where 21 tested positive for influenza A(not subtyped), 2 for RSV and 1 for human metapneumovirus (hMPV). Fifteen outbreaks were reported from hospitals where 6 tested positive for influenza A(not subtyped), 1forinfluenza A(H1N1)pdm09 and 1forseasonal coronavirus. Nineteen outbreaks were reported from schools where 3 were positive for influenza A(not subtyped) and 1for influenza A(H1N1)pdm09.The remaining 7 outbreaks were reported from the Other settings category where 2 tested positive for influenza A(not subtyped) and 1 for influenza A(H1N1)pdm09

Primary Care?The rate of influenza-like illness (ILI) wasatLow intensitylevels. The overall weekly ILI GP consultation rate was 23.1per 100,000 registered population in participating GP practices for England, this is aslight increase from 19.7 per 100,000 in week 05 2019. ?In the devolved administrations, ILI rates were Below Baselinethreshold levels for Northern Irelandand Scotland and were at Medium intensity levels forWales

Microbiological surveillance?Primary care:74sample tested positive for influenza (47influenza A(H1N1)pdm09,16influenza A(H3) and 11 influenza A(not subtyped) witha positivity of 56.1% through the UK GP sentinel swabbing schemes.?Secondary care:Influenza percent positivity was 31.0%, Above Baselinethreshold level, this is an increase from26.3% in week 05. There were 891detections recorded through the DataMart scheme (402 influenza A(H1N1)pdm09, 200influenza A(H3), 284 influenza A(not subtyped) and 5influenza B).

USISS sentinel weekly hospitalised confirmed influenza cases, England (week 06)-In week 062019, there were 680hospitalised laboratory confirmed influenzacases(273 influenza A(H1N1)pdm09, 67 influenza A(H3N2), 340influenza A(unknown subtype))reported from 23NHS Trusts across England through the USISS sentinel hospital network, with a rate of 6.75per 100,000 trust catchment population compared to 6.05per 100,000 in the previous week (Figures 6 and 7). This is above the baseline impact threshold of 0.89 per 100,000 within the high impact range. -A total of3,591hospitalised confirmed influenza admissions (1,478influenza A(H1N1)pdm09, 316influenza A(H3N2),1,772influenza A(unknown subtype) and 25 influenza B) and have been reported in the UK since week 40 2018 via the sentinel scheme.

Number of new admissions andfatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme), UK (week 06)-In week 062019, there were 269new admissionsto ICU/HDU with confirmed influenza (82influenza A(H1N1)pdm09, 14 influenza A(H3N2),171influenza A(unknown subtype)and 2 influenza B) reported across the UK (140/143 Trusts in England) throughthe USISS mandatory ICU scheme. The ratefor England (n=261) was0.52per 100,000 trust catchment population compared to 0.57per 100,000 in the previous week (Figures 8 and 9),above the baseline threshold of 0.09 per 100,000within the high impact range. Twenty-seveninfluenza laboratory-confirmeddeaths werereported to have occurred inICU in week 06in the UK.-A total of 2,182new ICU/HDU admissions (737influenza A(H1N1)pdm09,113influenza A(H3N2), 1,311 influenza A(unknown subtype) and 21influenza B) and 195confirmed deaths havebeen reported in the UK since week 40 2018

USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 06)-In week 06,there were 6new admissionsfor laboratory confirmed influenza(5 influenza A(H1N1)pdm09 and 1 influenza A(unknown subtype)) among the 6 Severe Respiratory Failure (SRF) centres in the UK. -Since week 40 there have been 68confirmed influenza admissions(54 influenza A(H1N1)pdm09, 4 influenza A(H3N2)and 10influenza A(unknown subtype)) to ECMO centres

In week 062019, no statistically significant excess all-cause mortality by week of death was observed overall and by age groupin England, through the EuroMOMO algorithm. In the devolved administrations,no statistically significant excess all-cause mortality for all ages was observedin Walesand Northern Irelandin week 062019 and inScotlandin week 042019.


https://assets.publishing.service.g...kly_national_influenza_report_week_7_2019.pdf
 
Week 7

Primary Care?
The rate of influenza-like illness (ILI) wasatLow intensitylevels. The overall weekly ILI GP consultation rate was 21.1per 100,000 registered population in participating GP practices for England, this is a slight decrease from 23.1 per 100,000 in week 062019. ?In the devolved administrations, ILI rates were Below Baselinethreshold levels for Northern Irelandand Scotland and were at Lowintensity levels forWales.

Microbiological surveillance
?Primary care:65samplestested positive for influenza (43influenza A(H1N1)pdm09,19 influenza A(H3) and 3influenza A(not subtyped) witha positivity of 49.6% through the UK GP sentinel swabbing schemes.?Secondary care:Influenza percent positivity was 27.9%, Above Baselinethreshold level, this is similar to 28.7% in week 06. There were 998detections recorded through the DataMart scheme (335influenza A(H1N1)pdm09, 284 influenza A(H3), 377influenza A(not subtyped) and 2influenza B).

USISS sentinel weekly hospitalised confirmed influenza cases, England (week 07)
-In week 072019, there were 517hospitalised laboratory confirmed influenza cases(97influenza A(H1N1)pdm09, 95 influenza A(H3N2), 324influenza A(unknown subtype)and 1 influenza B)reported from 20NHS Trusts across England through the USISS sentinel hospital network, with a rate of 5.97per 100,000 trust catchment population compared to 6.86per 100,000 in the previous week (Figures 6 and 7). This is above the baseline impact threshold of 0.89 per 100,000 within the high impact range. -A total of4,128hospitalised confirmed influenza admissions (1,579influenza A(H1N1)pdm09, 414influenzaA(H3N2),2,109influenza A(unknown subtype) and 26influenza B) and have been reported in the UK since week 40 2018 via the sentinel scheme

Number of new admissions and fatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme), UK (week 07)
-In week 072019, there were 261new admissionsto ICU/HDU with confirmed influenza (69influenza A(H1N1)pdm09, 17influenza A(H3N2), 174influenza A(unknown subtype)and 1influenza B) reported across the UK (137/143 Trusts in England) throughthe USISS mandatory ICU scheme. The ratefor England (n=245) was0.49per 100,000 trust catchment population compared to 0.55per 100,000 in the previous week (Figures 8 and 9), above the baseline threshold of 0.09 per 100,000within the high impact range. Twenty-seven influenza laboratory-confirmeddeaths werereported to have occurred inICU in week 07in the UK.-A total of 2,469new ICU/HDU admissions (820influenza A(H1N1)pdm09,130influenza A(H3N2), 1,497influenza A(unknown subtype) and 22influenza B) and 227confirmed deaths havebeen reported in the UK since week 40 2018

USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 07)
-In week 07,there were 7new admissionsfor laboratory confirmed influenza(5 influenza A(H1N1)pdm09 and 2influenza A(unknown subtype)) among the 6 Severe Respiratory Failure (SRF) centres in the UK. -Since week 40 there have been 76confirmed influenza admissions(61influenza A(H1N1)pdm09, 4 influenza A(H3N2)and 11influenza A(unknown subtype)) to ECMO centres

All-cause mortality data
|In week 072019, no statistically significant excess all-cause mortality by week of death was observed overall and by age groupin England, through the EuroMOMOalgorithm. In the devolved administrations,no statistically significant excess all-cause mortality for all ages was observedin Walesand Northern Irelandin week 072019 and inScotlandin week 052019

https://assets.publishing.service.g...kly_national_influenza_report_week_8_2019.pdf
 
Week 8

Primary Care
?The rate of influenza-like illness (ILI) wasatLow intensitylevels. The overall weekly ILI GP consultation rate was 15.7per 100,000 registered population in participating GP practices for England, this is a decrease from 21.1 per 100,000 in week 07 2019. ?In the devolved administrations, ILI rates were Below Baselinethreshold levels for Northern Irelandand Scotland and were at Low intensity levels forWales.

Microbiological surveillance
?Primary care:49samplestested positive for influenza (36influenza A(H1N1)pdm09,9 influenza A(H3), 3 influenza A(not subtyped and 1 influenza B) witha positivity of 52.1% through the UK GP sentinel swabbing schemes.?Secondary care:Influenza percent positivity was 21.3%, Above Baselinethreshold level, this is a decrease from 27.1% in week 07. There were 669detections recorded through the DataMart scheme (175 influenza A(H1N1)pdm09, 255 influenza A(H3) and 239 influenza A(not subtyped)).

USISS sentinel weekly hospitalised confirmed influenza cases, England (week 08)
-In week 08 2019, there were 409 hospitalised laboratory confirmed influenza cases(77 influenza A(H1N1)pdm09, 64 influenza A(H3N2), 265 influenza A(unknown subtype) and 3 influenza B)reported from 22NHS Trusts across England through the USISS sentinel hospital network, with a rate of 4.13 per 100,000 trust catchment population compared to 5.94 per 100,000 in the previous week (Figures 6 and 7). This is above the baseline impact threshold of 0.89 per 100,000 within the medium impact range of 1.22 to <5.08 per 100,000. -A total of4,621 hospitalised confirmed influenza admissions (1,714 influenza A(H1N1)pdm09, 486 influenza A(H3N2),2,391 influenza A(unknown subtype) and 30 influenza B) and have been reported in the UK since week 40 2018 via the sentinel scheme.

Number of new admissions and fatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme), UK (week 08)
-In week 08 2019, there were 191 new admissionsto ICU/HDU with confirmed influenza (45 influenza A(H1N1)pdm09, 14 influenza A(H3N2), 131 influenza A(unknown subtype)and 1 influenza B) reported across the UK (136/143 Trusts in England) throughthe USISS mandatory ICU scheme. The ratefor England (n=179) was0.37per 100,000 trust catchment population compared to 0.54 per 100,000 in the previous week (Figures 8 and 9), above the baseline threshold of 0.09 per 100,000within the medium impact range. Twenty-two influenza laboratory-confirmeddeaths werereported to have occurred inICU in week 08in the UK.-A total of 2,699 new ICU/HDU admissions (881influenza A(H1N1)pdm09,150influenza A(H3N2), 1,645 influenza A(unknown subtype) and 23influenza B) and 223confirmed deaths havebeen reported in the UK since week 40 2018.

USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 08)
-In week 08,there were 9new admissionsfor laboratory confirmed influenza(8 influenza A(H1N1)pdm09 and 1 influenza A(unknown subtype)) among the 6 Severe Respiratory Failure (SRF) centres in the UK. -Since week 40 there have been 85confirmed influenza admissions(69 influenza A(H1N1)pdm09, 4 influenza A(H3N2)and 12 influenza A(unknown subtype)) to ECMO centres.

In week 082019, no statistically significant excess all-cause mortality by week of death was observed overall and by age groupin England, through the EuroMOMO algorithm. In the devolved administrations,no statistically significant excess all-cause mortality for all ages was observedin Walesand Northern Irelandin week 082019 and inScotlandin week 062019.

https://assets.publishing.service.g...kly_national_influenza_report_week_9_2019.pdf
 
Week 9

Primary Care
?The rate of influenza-like illness (ILI) was Below Baseline threshold levels. The overall weekly ILI GP consultation rate was 12.1per 100,000 registered population in participating GP practices for England, this is a decrease from 15.7 per 100,000 in week 08 2019

Microbiological surveillance
?Primary care:49 samples tested positive for influenza (36 influenza A(H1N1)pdm09, 9 influenza A(H3), 3 influenza A(not subtyped) and 1 influenza B)with a positivity of 52.1% through the UK GP sentinel swabbing schemesin week 08 2019.?Secondary care:Influenza percent positivity was 15.6%, Above Baselinethreshold level, this is a decrease from 22.2% in week 08. There were 449detections recorded through the DataMart scheme (93 influenza A(H1N1)pdm09, 204 influenza A(H3) and 147 influenza A(not subtyped) and 5 influenza B).

USISS sentinel weekly hospitalised confirmed influenza cases, England (week 09)
-In week 09 2019, there were 175 hospitalised laboratory confirmed influenza cases(33 influenza A(H1N1)pdm09, 50 influenza A(H3N2), 91 influenza A(unknown subtype) and 1 influenza B)reported from 20NHS Trusts across England through the USISS sentinel hospital network, with a rate of 1.93 per 100,000 trust catchment population compared to 4.15 per 100,000 in the previous week (Figures 6 and 7). This is above the baseline impact threshold of 0.89 per 100,000 within the medium impact range of 1.22 to <5.08 per 100,000. -A total of4,806 hospitalised confirmed influenza admissions (1,763 influenza A(H1N1)pdm09, 542 influenza A(H3N2),2,470 influenza A(unknown subtype) and 31 influenza B) and have been reported in the UK since week 40 2018 via the sentinel scheme.

Number of new admissions and fatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme), UK (week 09)
-In week 09 2019, there were 114 new admissionsto ICU/HDU with confirmed influenza (27 influenza A(H1N1)pdm09, 16 influenza A(H3N2), 68 influenza A(unknown subtype)and 3 influenza B) reported across the UK (138/143 Trusts in England) throughthe USISS mandatory ICU scheme. The ratefor England (n=113) was0.23per 100,000 trust catchment population compared to 0.40 per 100,000 in the previous week (Figures 8 and 9), above the baseline threshold of 0.09 per 100,000within the medium impact range. Seventeen influenza laboratory-confirmeddeaths werereported to have occurred inICU in week 09in the UK.-A total of 2,832 new ICU/HDU admissions (918influenza A(H1N1)pdm09,171influenza A(H3N2), 1,717 influenza A(unknown subtype) and 26influenza B) and 270confirmed deaths havebeen reported in the UK since week 40 2018

USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 09)-In week 09,there were 2 new admissionsfor laboratory confirmed influenza(2 influenza A(H1N1)pdm09) among the 6 Severe Respiratory Failure (SRF) centres in the UK. -Since week 40 there have been 90confirmed influenza admissions(74 influenza A(H1N1)pdm09, 4 influenza A(H3N2)and 12 influenza A(unknown subtype)) to ECMO centres

In week 092019, no statistically significant excess all-cause mortality by week of death was observed overall and by age groupin England, through the EuroMOMO algorithm. In the devolved administrations,no statistically significant excess all-cause mortality for all ages was observedin Walesin week 092019 and inScotlandin week 072019.Significant excess all-cause mortality was observed in Northern Ireland in week 09.

https://assets.publishing.service.g...ly_national_influenza_report_week_10_2019.pdf
 
Week 10

Primary Care
?The rate of influenza-like illness (ILI) was Below Baseline threshold levels. The overall weekly ILI GP consultation rate was 9.1per 100,000 registered population in participating GP practices for England, this is a decrease from 12.1per 100,000 in week 092019. ?In the devolved administrations, ILI rates were Below Baselinethreshold levels for Northern Ireland, Scotland and Wales

Microbiological surveillance
?Primary care:14samples tested positive for influenza (7 influenza A(H1N1)pdm09 and 7 influenza A(H3))with a positivity of 25.5% through the UK GP sentinel swabbing schemesin week 102019.?Secondary care:Influenza percent positivity was 11.5%, Above Baselinethreshold level, this is a decrease from 15.8% in week 09. There were 265detections recorded through the DataMart scheme (36 influenza A(H1N1)pdm09, 111 influenza A(H3), 115 influenza A(not subtyped) and 3influenza B).

USISS sentinel weekly hospitalised confirmed influenza cases, England (week 10)
-In week10 2019, there were 147 hospitalised laboratory confirmed influenza cases(41influenza A(H1N1)pdm09, 38 influenza A(H3N2), 67influenza A(unknown subtype) and 1 influenza B)reported from 21NHS Trusts across England through the USISS sentinel hospital network, with a rate of 1.55per 100,000 trust catchment population compared to 2.10per 100,000 in the previous week (Figures 6 and 7). This is above the baseline impact threshold of 0.89 per 100,000 within the medium impact range of 1.22 to <5.08 per 100,000. -A total of4,991hospitalised confirmed influenza admissions (1,810influenza A(H1N1)pdm09, 583influenza A(H3N2),2,566influenza A(unknown subtype) and 32influenza B) and have been reported in the UK since week 40 2018 via the sentinel scheme.

Number of new admissions and fatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme), UK (week 10)
-In week 10 2019, there were 99new admissionsto ICU/HDU with confirmed influenza (24 influenza A(H1N1)pdm09, 7 influenza A(H3N2), 65influenza A(unknown subtype)and 3 influenza B) reported across the UK (139/143 Trusts in England) throughthe USISS mandatory ICU scheme. The ratefor England (n=97) was0.19per 100,000 trust catchment population compared to 0.24per 100,000 in the previous week (Figures 8 and 9), above the baseline threshold of 0.09 per 100,000within the medium impact range. Twelveinfluenza laboratory-confirmeddeaths werereported to have occurred inICU in week 10in the UK.-A total of 2,946new ICU/HDU admissions(965influenza A(H1N1)pdm09,182influenza A(H3N2), 1,770influenza A(unknown subtype) and 29influenza B) and 287confirmed deaths havebeen reported in the UK since week 40 2018

USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 10)
-In week 10,there was1new admission for laboratory confirmed influenza(1influenza A(H1N1)pdm09) among the 6 Severe Respiratory Failure (SRF) centres in the UK. -Since week40 there have been 92confirmed influenza admissions(76influenza A(H1N1)pdm09, 4 influenza A(H3N2)and 12 influenza A(unknown subtype)) to ECMO centres

https://assets.publishing.service.g...ly_national_influenza_report_week_11_2019.pdf
 
Week 11

Primary Care
The rate of influenza-like illness (ILI) was Below Baseline threshold levels. The overall weekly ILI GP consultation rate was 6.2per 100,000 registered population in participating GP practices for England, this is a decrease from 9.1 per100,000 in week 102019. In the devolved administrations, ILI rates were Below Baselinethreshold levels for Northern Ireland, Scotland and Wales.

USISS sentinel weekly hospitalised confirmed influenza cases, England (week 11)
-In week 11 2019, there were 137 hospitalised laboratory confirmed influenza cases (19 influenza A(H1N1)pdm09, 51 influenza A(H3N2), 66 influenza A(unknown) and one influenza B) reported from 19 NHS Trusts across England through the USISS sentinel hospital network, with a rate of 1.52 per 100,000 trust catchment population compared to 1.56 per 100,000 in the previous week (Figures 6 and 7). This is within the medium impact range of 1.22 to <5.08 per 100,000.-A total of 5,130 hospitalised confirmed influenza admissions (1,830 influenza A(H1N1)pdm09, 632 influenza A(H3N2), 2,632 influenza A(unknown) and 33 influenza B) have been reported in the England since week 40 2018 via the sentinel scheme.

Number of new admissions and fatal confirmed influenza cases in ICU/HDU (USISS mandatory ICU scheme), UK (week 11)
-In week 11 2019, there were 47 new admissions to ICU/HDU with confirmed influenza (11 influenza A(H1N1)pdm09, 4 influenza A (H3N2) and 32 influenza A(unknown subtype)) reported throughthe USISS mandatory ICU scheme in the UK (136/143). The rate for England (n=45) was 0.09 per 100,000 trust catchment population (Figures 8and 9) compared to 0.20 per 100,000 in week 10 2019). Fivefatal influenza cases in ICU were reported in week 11 2019 in the UK.-A total of 2,999 new admissions (976 influenza A(H1N1)pdm09, 186 influenza A(H3N2), 1,808 influenza A(unknown subtype) and 29 influenza B) and 293 confirmed deaths have been reported in the UK since week 40 2018.

USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 10)
-In week 11,there was no new admissionsfor laboratory confirmed influenzaamong the 6 Severe Respiratory Failure (SRF) centres in the UK. -Since week 40 2018, there have been 92confirmed influenza admissions(76 influenza A(H1N1)pdm09, 4 influenza A(H3N2)and 12 influenza A(unknown subtype)) to ECMO centres


https://assets.publishing.service.g...ly_national_influenza_report_week_12_2019.pdf
 
Week 12

Primary Care
The rate of influenza-like illness (ILI) was Below Baseline threshold levels. The overall weekly ILI GP consultation rate was 7.2per 100,000 registered population in participating GP practices for England, this issimilar to6.2per100,000 in week 112019. In the devolved administrations, ILI rates were Below Baselinethreshold levels for Northern Ireland, Scotland and Wales

Microbiological surveillance
Primary care:Twosamples tested positive for influenza (1 influenza A(H3N2)and 1 influenza A(unknown subtype))with a positivity of 7.7% through the UK GP sentinel swabbing schemesin week 122019.Secondary care:Influenza percent positivity was 10.9%, Above Baselinethreshold level, this is similar to11.9% in week 11. There were 231detections recorded through the DataMart scheme (13 influenza A(H1N1)pdm09, 160 influenza A(H3), 53 influenza A(not subtyped) and 5influenza B).

USISS sentinel weekly hospitalised confirmed influenza cases, England (week 12)
-In 12 2019, there were 94 hospitalised laboratory confirmed influenza cases (9 influenza A(H1N1)pdm09, 36 influenza A(H3N2) and 49 influenza A(unknown)) reported from 19 NHS Trusts across England through the USISS sentinel hospital network, with a rate of 1.18 per 100,000 trust catchment population compared to 1.51 per 100,000 in the previous week (Figures 6 and 7). This is within the low impact range of 0.89 to <1.22 per 100,000.-A total of 5,238 hospitalised confirmedinfluenza admissions (1,839 influenza A(H1N1)pdm09, 672 influenza A(H3N2), 2,694 influenza A(unknown) and 33 influenza B) have been reported in the England since week 40 2018 via the sentinel scheme.

Number of new admissions and fatal confirmed influenza cases in ICU/HDU(USISS mandatory ICU scheme), UK (week 12)
-In week 12 2019, there were 45 new admissions to ICU/HDU with confirmed influenza (6 influenza A(H1N1)pdm09, 3 influenza A (H3N2) and 36 influenza A(unknown subtype)) reported through the USISS mandatory ICU scheme in the UK (138/143). The rate for England (n=41) was 0.08 per 100,000 trust catchment population (Figures 8and 9) compared to 0.09 per 100,000 in week 11 2019). Fivefatal influenza cases in ICU were reported in week 12 2019 in the UK.-A total of3,050 new admissions (985 influenza A(H1N1)pdm09, 191 influenza A(H3N2), 1,845 influenza A(unknown subtype) and 29 influenza B) and 300 confirmed deaths have been reported in the UK since week 40 2018.

USISS Severe Respiratory Failure Centre confirmed influenza admissions, UK (week 12)
-In week 12,there was no new admissionsfor laboratory confirmed influenzaamong the 6 Severe Respiratory Failure (SRF) centres in the UK. -Since week 40 2018, there have been 92confirmed influenza admissions(76 influenza A(H1N1)pdm09, 4 influenza A(H3N2)and 12 influenza A(unknown subtype)) to ECMO centres.

https://assets.publishing.service.g...ly_national_influenza_report_week_13_2019.pdf
 
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