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UK: 2012-2013: HPA / PHE Weekly National Influenza Reports.

Re: 2012-2013: HPA Weekly National Influenza Reports.

Re: 2012-2013: HPA Weekly National Influenza Reports.

Summary
HPA Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
07 February 2013 ? Week 6 report (up to week 5 data)

While some indicators of influenza activity across England have remained stable compared to the previous week, some indicators have slightly increased and outbreaks and hospitalisations continue to be reported.
A letter has been issued to the NHS that GPs may now prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.
 Overall weekly influenza GP consultation rates across the UK o In week 5 (ending 3 February 2013), the weekly primary care ILI consultation rate remained stable in England (12.7 per 100,000) and Northern Ireland (48.4 per 100,000) and increased in Wales (19.9 per 100,000) and Scotland (44.2 per 100,000).
o In week 5 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o 28 acute respiratory disease outbreaks have been reported in the past seven days compared to 18 the previous week. Eleven had a virological result available (four influenza A(unsubtyped), four B, two A(H3) and one A(H1N1)pdm09).

 Virology
o 218 influenza positive detections (97 B, 66 A subtype not known, 38 A(H3) and 17 A(H1N1)pdm09) were recorded through the DataMart scheme (overall positivity of 23.2% compared to 19.2% the previous week).
o The proportion of samples positive in DataMart (England) increased for rhinovirus and remained stable for RSV, hMPV, adenovirus and parainfluenza.
o 42 influenza positive detections were recorded through the two English GP-based sentinel schemes in week 5 (18 B, 17 A(H3) and 7 A(H1N1)pdm09), giving a positivity of 42% compared to 44% in week 4.

 Disease severity and mortality
o 36 new admissions to ICU/HDU with confirmed influenza (14 A(subtype not known), 12 B, five A(H1N1)pdm09 and five A(H3N2) were reported through the USISS mandatory ICU surveillance scheme across the UK (137 Trusts in England) in week 5. 78 new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (26 Trusts).
o In week 5 2013, overall excess all-cause mortality was seen in Northern Ireland and none was seen in England, Scotland and Wales. This data is provisional due to the time delay in death registration.

 Influenza vaccination
o Up to week 4, 73.2% of people in England aged 65 years and over had received the 2012/13 influenza vaccine (provisional data). For those in a clinical risk group aged under 65 years, provisional uptake was 50.8%. Amongst pregnant women, the provisional uptake was 39.7%.
o A mid-season analysis assessing the effectiveness of the trivalent influenza vaccine in the UK in this season (2012/13) has been published in Eurosurveillance. An overall adjusted vaccine effectiveness of 51% (95% confidence interval 27% - 68%) was reached against all laboratory-confirmed influenza in primary care, which is within the expected range of effectiveness of a trivalent influenza vaccine.

 International situation
o During week 4 2013, influenza activity continued to rise across Europe, although the epidemic may have passed its peak in some north-western countries.
o Influenza activity in North America remains high regionally, though nationally most indicators of transmission have begun to decrease.
o The patterns of influenza virus co-circulation being identified in Europe are different from that being reported by North America.
...
-In week 5, 36 new admissions to ICU/HDU with confirmed influenza infection (14 A unknown subtype, 12 B,
five A(H1N1)pdm09, and five A(H3N2) were reported across the UK (137/163 Trusts in England) through the
USISS mandatory ICU scheme (Figures 12 and 13). Two new confirmed influenza deaths were reported in
week 5 2013. A total of 403 admissions (178 B, 103 A unknown subtype, 65 A(H3N2) and 57
A(H1N1)pdm09) have been reported since week 40 2012. Forty confirmed influenza deaths (15 B, 10
A(H3N2), nine A unknown subtype and six A(H1N1)pdm09) have been reported across the UK in ICU/HDU
since week 40 (Figure 12).

...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138019053
 
Re: 2012-2013: HPA Weekly National Influenza Reports.

Re: 2012-2013: HPA Weekly National Influenza Reports.

this is interesting ... will the B-wave that they had,
with peak in week 52,
protect them now against A, which is peaking in the
neighbor countries ?
Or will they get another A-peak ?
 

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Re: 2012-2013: HPA Weekly National Influenza Reports.

Re: 2012-2013: HPA Weekly National Influenza Reports.

HPA Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
14 February 2013 ? Week 7 report (up to week 6 data)

Indicators of influenza activity across England have either remained stable or decreased compared to the previous week. Outbreaks and hospitalisations continue to be reported. A letter has been issued to the NHS that GPs may now prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.

 Overall weekly influenza GP consultation rates across the UK o In week 6 (ending 10 February 2013), the weekly primary care ILI consultation rate remained stable in England (14.5 per 100,000), increased in Northern Ireland (61.4 per 100,000) and decreased slightly in Wales (16.1 per 100,000) and Scotland (41.6 per 100,000).
o In week 6 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o 22 acute respiratory disease outbreaks have been reported in the past seven days. Seven had a virological result available (three B, three influenza A(unsubtyped) and one A(H3)).

 Virology
o 200 influenza positive detections (81 B, 52 A(H3), 47 A subtype not known and 20 A(H1N1)pdm09) were recorded through the DataMart scheme (overall positivity of 20.9% compared to 25.2% the previous week).
o The proportion of samples positive in DataMart (England) increased slightly for hMPV and parainfluenza and remained stable for RSV, adenovirus and rhinovirus.
o 17 influenza positive detections were recorded through the two English GP-based sentinel schemes in week 6 (7 B, 5 A(H3) and 5 A(H1N1)pdm09), giving a positivity of 47% compared to 50% in week 5.

 Disease severity and mortality
o 34 new admissions to ICU/HDU with confirmed influenza (15 B, 13 A(subtype not known), four A(H3N2) and two A(H1N1)pdm09 were reported through the USISS mandatory ICU surveillance scheme across the UK (133 Trusts in England) in week 6. 57 new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (25 Trusts).
o In week 6 2013, no overall excess all-cause mortality was seen across the UK through the EuroMOMO algorithm. This data is provisional due to the time delay in death registration.

 Influenza vaccination
o Up to week 4, 73.2% of people in England aged 65 years and over had received the 2012/13 influenza vaccine (provisional data). For those in a clinical risk group aged under 65 years, provisional uptake was 50.8%. Amongst pregnant women, the provisional uptake was 39.7%.

 Novel Coronavirus
o In the past seven days, two cases of novel coronavirus have been diagnosed in UK residents in the UK. The first case had recently travelled to the Middle East and Pakistan. The second case is a family member and was in close personal contact with the first case, with no recent travel history. While it is understood the second case had an existing medical condition that may make them more susceptible to respiratory infections, this suggests person-to-person transmission has occurred and that it occurred in the UK. Close contacts are being identified and followed up.
o These latest two cases bring the total number of confirmed cases globally to 11.

 International situation
o During week 5 2013, influenza activity continued to rise across Europe. In a few countries the epidemics seemed to have passed their peaks, although some countries experienced a resurgence of ILI rates.
o Influenza activity in North America remains high, although it has decreased in most areas in the United States.
o The patterns of influenza virus co-circulation being identified in Europe are different from that being reported by North America.
...
-In week 6, 34 new admissions to ICU/HDU with confirmed influenza infection (15 B, 13 A unknown subtype,
four A(H3N2) and two A(H1N1)pdm09) were reported across the UK (133/163 Trusts in England) through
the USISS mandatory ICU scheme (Figures 12 and 13). Two new confirmed influenza deaths were reported
in week 6 2013. A total of 450 admissions (196 B, 117 A unknown subtype, 75 A(H3N2) and 62
A(H1N1)pdm09) have been reported since week 40 2012. Forty-seven confirmed influenza deaths (15 B, 15
A(H3N2), 10 A unknown subtype and seven A(H1N1)pdm09) have been reported across the UK in
ICU/HDU since week 40 (Figure 12).

...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138102506
 
Re: 2012-2013: HPA Weekly National Influenza Reports.

Re: 2012-2013: HPA Weekly National Influenza Reports.

HPA Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
20 February 2013 ? Week 8 report (up to week 7 data)

Indicators of influenza activity across England continue to show influenza is circulating. A letter has been issued to the NHS that GPs may now prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.

Overall weekly influenza GP consultation rates across the UK o In week 7 (ending 17 February 2013), the weekly primary care ILI consultation rate increased slightly in England (22.3 per 100,000), decreased slightly in Northern Ireland (58.4 per 100,000) and remained stable in Wales (13.6 per 100,000) and Scotland (39.9 per 100,000).
o In week 7 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o Ten acute respiratory disease outbreaks have been reported in the past seven days. Eight had a virological result available (two B and six influenza A(unsubtyped)).
 Virology
o 226 influenza positive detections (81 B, 70 A(H3), 55 A subtype not known and 20 A(H1N1)pdm09) were recorded through the DataMart scheme (overall positivity of 19.6% compared to 21.9% the previous week).
o The proportion of samples positive in DataMart (England) remained stable for hMPV, parainfluenza, RSV, adenovirus and rhinovirus.
o 8 influenza positive detections were recorded through the two English GP-based sentinel schemes in week 7 (5 B, 2 A(H1N1)pdm09 and 1 A(H3)), a positivity of 47.1%.
 Disease severity and mortality
o 55 new admissions to ICU/HDU with confirmed influenza (20 A(subtype not known), 15 B, 12 A(H1N1)pdm09, 8 A(H3N2) were reported through the USISS mandatory ICU surveillance scheme across the UK (142 Trusts in England) in week 7. 84 new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (24 Trusts).
o In week 7 2013, no overall excess all-cause mortality was seen across the UK through the EuroMOMO algorithm. This data is provisional due to the time delay in death registration.
 Influenza vaccination
o Up to week 4, 73.2% of people in England aged 65 years and over had received the 2012/13 influenza vaccine (provisional data). For those in a clinical risk group aged under 65 years, provisional uptake was 50.8%. Amongst pregnant women, the provisional uptake was 39.7%.
o Provisional data from the final fourth monthly collection of influenza vaccine uptake by frontline healthcare workers show 45.9% were vaccinated by 31 January 2013 from 97.0% of Trusts (including PCTs).
o WHO have published the recommended composition of influenza virus vaccines for use in the 2013/14 northern hemisphere influenza season.
 Novel Coronavirus
o In the past ten days, three cases of novel coronavirus have been diagnosed in UK residents in the UK. The first case had recently travelled to the Middle East and Pakistan. The two further cases are family members in contact with the first case, with no recent travel history. Close contacts are being identified and followed up and no further secondary cases have been identified to date.
o These latest three cases bring the total number of confirmed cases globally to 12.
 International situation
o During week 6 2013, influenza activity continued to be substantial across Europe despite having peaked in a few countries in earlier weeks.
o Influenza activity in North America remains elevated but is decreasing in most areas.
o The patterns of influenza virus co-circulation being identified in Europe are different from that being reported by North America.
...
-In week 7, 55 new admissions to ICU/HDU with confirmed influenza infection (20 A unknown subtype, 15 B,
12 A(H1N1)pdm09 and 8 A(H3N2) were reported across the UK (142/163 Trusts in England) through the
USISS mandatory ICU scheme (Figures 12 and 13). Eight new confirmed influenza deaths were reported in
week 7 2013. A total of 517 admissions (213 B, 139 A unknown subtype, 86 A(H3N2) and 79
A(H1N1)pdm09) have been reported since week 40 2012. Fifty-seven confirmed influenza deaths (21 B, 18
A(H3N2), 10 A unknown subtype and eight A(H1N1)pdm09) have been reported across the UK in ICU/HDU
since week 40
(Figure 12).
...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138177675
 
Re: 2012-2013: HPA Weekly National Influenza Reports.

Re: 2012-2013: HPA Weekly National Influenza Reports.

HPA Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
28 February 2013 ? Week 9 report (up to week 8 data)

Summary

Indicators of influenza activity across England continue to show influenza is circulating: influenza B positivity is decreasing while influenza A(H3) positivity is increasing. A letter has been issued to the NHS that GPs may now prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.

 Overall weekly influenza GP consultation rates across the UK o In week 8 (ending 24 February 2013), overall weekly influenza GP consultations decreased in England (15.3 per 100,000), Northern Ireland (43.7 per 100,000), Scotland (25.2 per 100,000) and Wales (11.2 per 100,000).
o In week 8 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o 26 acute respiratory disease outbreaks have been reported in the past seven days. 13 had a virological result available (10 influenza A (unsubtyped), one influenza A(H3), one influenza A(H1N1)pdm09 and one rhinovirus).

 Virology
o 230 influenza positive detections (95 A(H3), 59 B, 52 A subtype not known and 24 A(H1N1)pdm09) were recorded through the DataMart scheme (overall positivity of 22.7% compared to 21.3% the previous week).
o The proportion of samples positive in DataMart (England) increased slightly for hMPV and remained stable for parainfluenza, RSV, adenovirus and rhinovirus.
o 8 influenza positive detections were recorded through the two English GP-based sentinel schemes in week 8 (8 B), a positivity of 40.0%.

 Disease severity and mortality
o 37 new admissions to ICU/HDU with confirmed influenza (14 A(subtype not known), 11 A(H1N1)pdm09, 7 B, and 5 A(H3N2) were reported through the USISS mandatory ICU surveillance scheme across the UK (141 Trusts in England) in week 8. 61 new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (27 Trusts).
o In week 8 2013, no overall excess all-cause mortality was seen across the UK through the EuroMOMO algorithm. This data is provisional due to the time delay in death registration.

 Influenza vaccination
Influenza vaccination
o Provisional data from the final fourth monthly collection of seasonal influenza vaccine uptake show 73.4% of people aged 65 years and over, 51.3% of those aged under 65 years in a clinical risk group and 40.3% of pregnant women were vaccinated by 31 January 2013 from 99.3% of GP practices.
o Provisional data from the final fourth monthly collection of influenza vaccine uptake by frontline healthcare workers show 45.9% were vaccinated by 31 January 2013 from 97.0% of Trusts (including PCTs).
o WHO have published the recommended composition of influenza virus vaccines for use in the 2013/14 northern hemisphere influenza season.

 Novel Coronavirus
o In February 2013, three cases of novel coronavirus have been diagnosed in UK residents in the UK. The first case had recently travelled to the Middle East and Pakistan. The two further cases are family members in contact with the first case, with no recent travel history. Close contacts are being identified and followed up and no further secondary cases have been identified to date.
o These most recent three cases bring the total number of confirmed cases globally to 13.

 International situation
o During week 7 2013, influenza activity remained substantial across Europe but an increasing number of countries are reporting indications of declining transmission.
o Influenza activity in North America remains elevated but is decreasing in most areas.
o The patterns of influenza virus co-circulation being identified in Europe are different from that being reported by North America.
...
-In week 8, 37 new admissions to ICU/HDU with confirmed influenza infection (14 A unknown subtype, 11
A(H1N1)pdm09, seven B and five A(H3N2) were reported across the UK (141/163 Trusts in England)
through the USISS mandatory ICU scheme (Figures 12 and 13). A total of 566 admissions (224 B, 155 A
unknown subtype, 95 A(H3N2) and 92 A(H1N1)pdm09) have been reported since week 40 2012. Five new
confirmed influenza deaths were reported in week 8 2013. Sixty-six confirmed influenza deaths (24 B, 20
A(H3N2), 11 A unknown subtype and 11 A(H1N1)pdm09) have been reported across the UK in ICU/HDU
since week 40

...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138251116
 
Re: 2012-2013: HPA Weekly National Influenza Reports.

Re: 2012-2013: HPA Weekly National Influenza Reports.

Summary
HPA Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
7 March 2013 ? Week 10 report (up to week 9 data)
Indicators of influenza activity across England continue to show influenza is circulating, although the proportion of samples positive for influenza is decreasing. A letter has been issued to the NHS that GPs may now prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.

 Overall weekly influenza GP consultation rates across the UK o In week 9 (ending 3 March 2013), overall weekly influenza GP consultations remained stable in England (15.1 per 100,000), Northern Ireland (44.8 per 100,000), Scotland (25.4 per 100,000) and Wales (9.6 per 100,000).
o In week 9 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o 30 acute respiratory disease outbreaks have been reported in the past seven days. 17 had a virological result available (14 influenza A (unsubtyped), one influenza A(H1N1)pdm09, one RSV and one seasonal coronavirus).

 Virology
o 183 influenza positive detections (76 A(H3), 49 A subtype not known, 41 B and 17 A(H1N1)pdm09) were recorded through the DataMart scheme (overall positivity of 18.2% compared to 24.0% the previous week).
o The proportion of samples positive in DataMart (England) increased slightly for adenovirus and remained stable for parainfluenza, RSV, hMPV and rhinovirus.
o 19 influenza positive detections were recorded through the two English GP-based sentinel schemes in week 9 (12 A(H3), 6 A(H1N1)pdm09 and 1 B), giving a positivity of 28.8% compared to 49.4% in week 8.

 Disease severity and mortality
o 48 new admissions to ICU/HDU with confirmed influenza (16 A(subtype not known), 13 B, 11 A(H1N1)pdm09, and 8 A(H3N2) were reported through the USISS mandatory ICU surveillance scheme across the UK (141 Trusts in England) in week 9. 56 new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (25 Trusts).
o In week 9 2013, no overall excess all-cause mortality was seen across the UK through the EuroMOMO algorithm. This data is provisional due to the time delay in death registration.

 Influenza vaccination
o Provisional data from the final fourth monthly collection of seasonal influenza vaccine uptake show 73.4% of people aged 65 years and over, 51.3% of those aged under 65 years in a clinical risk group and 40.3% of pregnant women were vaccinated by 31 January 2013 from 99.3% of GP practices.
o Provisional data from the final fourth monthly collection of influenza vaccine uptake by frontline healthcare workers show 45.9% were vaccinated by 31 January 2013 from 97.0% of Trusts (including PCTs).
o WHO have published the recommended composition of influenza virus vaccines for use in the 2013/14 northern hemisphere influenza season.

 Novel Coronavirus
o In February 2013, three cases of novel coronavirus have been diagnosed in UK residents in the UK. The first case had recently travelled to the Middle East and Pakistan. The two further cases are family members in contact with the first case, with no recent travel history. Close contacts are being identified and followed up and no further secondary cases have been identified to date.
o These three cases, along with a new case reported in Saudi Arabia, brings the total number of confirmed cases globally to 14.

 International situation
o During week 8 2013, influenza activity remained substantial across Europe but an increasing number of countries are reporting indications of declining transmission.
o Influenza activity in North America remains elevated but is continuing to decrease in most areas.
o The patterns of influenza virus co-circulation being identified in Europe are different from that being reported by North America.
...
-In week 9, 48 new admissions to ICU/HDU with confirmed influenza infection (16 A unknown subtype, 13 B,
11 A(H1N1)pdm09 and eight A(H3N2) were reported across the UK (141/163 Trusts in England) through the
USISS mandatory ICU scheme (Figures 12 and 13). A total of 640 admissions (250 B, 174 A unknown
subtype, 109 A(H3N2) and 107 A(H1N1)pdm09) have been reported since week 40 2012. Seven new
confirmed influenza deaths were reported in week 9 2013. Eighty confirmed influenza deaths (29 B, 23
A(H3N2), 13 A unknown subtype and 15 A(H1N1)pdm09) have been reported across the UK in ICU/HDU
since week 40 (Figure 12).

...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138315061
 
Re: 2012-2013: HPA Weekly National Influenza Reports.

Re: 2012-2013: HPA Weekly National Influenza Reports.

HPA Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
14 March 2013 ? Week 11 report (up to week 10 data)

Indicators of influenza activity across England continue to show influenza is circulating. A letter has been issued to the NHS that GPs may prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.

 Overall weekly influenza GP consultation rates across the UK o In week 10 (ending 10 March 2013), overall weekly influenza GP consultations remained stable in England (16.4 per 100,000), Northern Ireland (46.3 per 100,000) and Scotland (23.9 per 100,000) and increased in Wales (18.1 per 100,000).
o In week 10 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o 35 acute respiratory disease outbreaks have been reported in the past seven days. Eighteen had a virological result available (15 influenza A (unsubtyped) and three A(H3)).

 Virology
o 186 influenza positive detections (66 A(H3), 45 B, 41 A subtype not known and 34 A(H1N1)pdm09) were recorded through the DataMart scheme (overall positivity of 18.2% compared to 20.9% the previous week).
o The proportion of samples positive in DataMart (England) remained stable for adenovirus, parainfluenza, RSV, hMPV and rhinovirus.
o 21 influenza positive detections were recorded through the two English GP-based sentinel schemes in week 10 (12 A(H3), 5 B and 4 A(H1N1)pdm09), giving a positivity of 46.7% compared to 37.3% in week 9.

 Disease severity and mortality
o 46 new admissions to ICU/HDU with confirmed influenza (16 A(subtype not known), 11 A(H1N1)pdm09, 10 B and 9 A(H3N2) were reported through the USISS mandatory ICU surveillance scheme across the UK (143 Trusts in England) in week 10. 77 new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (26 Trusts).
o In week 10 2013, no overall excess all-cause mortality was seen across the UK through the EuroMOMO algorithm. This data is provisional due to the time delay in death registration.

 Influenza vaccination
o Provisional data from the final fourth monthly collection of seasonal influenza vaccine uptake show 73.4% of people aged 65 years and over, 51.3% of those aged under 65 years in a clinical risk group and 40.3% of pregnant women were vaccinated by 31 January 2013 from 99.3% of GP practices.
o Provisional data from the final fourth monthly collection of influenza vaccine uptake by frontline healthcare workers show 45.9% were vaccinated by 31 January 2013 from 97.0% of Trusts (including PCTs).
o WHO have published the recommended composition of influenza virus vaccines for use in the 2013/14 northern hemisphere influenza season.

 International situation
o During week 9 2013, influenza activity remained substantial across Europe but an increasing number of countries are reporting indications of declining transmission.
o Influenza activity in North America remains elevated but is continuing to decrease in most areas.
o The patterns of influenza virus co-circulation being identified in Europe are different from that being reported by North America.
...
-In week 10, 46 new admissions to ICU/HDU with confirmed influenza infection (16 A unknown subtype, 11
A(H1N1)pdm09, 10 B and nine A(H3N2) were reported across the UK (143/163 Trusts in England) through
the USISS mandatory ICU scheme (Figures 12 and 13). A total of 694 admissions (264 B, 193 A unknown
subtype, 119 A(H3N2) and 118 A(H1N1)pdm09) have been reported since week 40 2012. Two new
confirmed influenza deaths were reported in week 10 2013. Eighty-four confirmed influenza deaths (30 B, 26
A(H3N2), 16 A(H1N1)pdm09 and 12 A unknown subtype) have been reported across the UK in ICU/HDU
since week 40 (Figure 12).

...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138393150
 
Re: UK: 2012-2013: HPA Weekly National Influenza Reports.

Re: UK: 2012-2013: HPA Weekly National Influenza Reports.

HPA Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
21 March 2013 ? Week 12 report (up to week 11 data)

Indicators of influenza activity across England continue to show influenza is circulating. Influenza B positivity continues to decrease but influenza A positivity remains elevated. A letter has been issued to the NHS that GPs may prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.

 Overall weekly influenza GP consultation rates across the UK o In week 11 (ending 17 March 2013), overall weekly influenza GP consultations decreased in England (11.2 per 100,000) and Scotland (18.6 per 100,000), increased in Wales (18.8 per 100,000) and remained stable in Northern Ireland (44.7 per 100,000).
o In week 11 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o 20 new acute respiratory disease outbreaks have been reported in the past seven days. Eight had a virological result available (six influenza A (unsubtyped), one B and one A(H1N1)pdm09).

 Virology
o 188 influenza positive detections 89 A(H3), 41 A subtype not known, 33 B and 25 A(H1N1)pdm09) were recorded through the DataMart scheme (overall positivity of 20.9% compared to 18.9% the previous week).
o The proportion of samples positive in DataMart (England) remained stable for adenovirus, parainfluenza, RSV, hMPV and rhinovirus.
o 21 influenza positive detections were recorded through the two English GP-based sentinel schemes in week 11 (10 A(H3), 7 B and 4 A(H1N1)pdm09), giving a positivity of 36.2% compared to 46.6% in week 10.

 Disease severity and mortality
o 39 new admissions to ICU/HDU with confirmed influenza (14 A(H1N1)pdm09, 13 A(subtype not known), seven B and five A(H3N2) were reported through the USISS mandatory ICU surveillance scheme across the UK (130 Trusts in England) in week 11. 49 new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (24 Trusts).
o In week 11 2013, no overall excess all-cause mortality was seen across the UK through the EuroMOMO algorithm. This data is provisional due to the time delay in death registration.

 International situation
o During week 9 2013, influenza activity remained substantial across Europe but an increasing number of countries are reporting indications of declining transmission.
o Influenza activity in North America remains elevated but is continuing to decrease in most areas.
o Low levels of influenza activity were reported across the tropical regions of the world and activity in countries of the southern hemisphere remains at inter-seasonal levels.

 In February 2013, three cases of novel coronavirus were diagnosed in UK residents in the UK. The first case had recently travelled to the Middle East and Pakistan. The two further cases were family members in contact with the first case, with no recent travel history. 135 close contacts have been identified and followed up and no further secondary cases have been identified to date. Further information is available in a recent publication in Eurosurveillance.
...
-In week 11, 39 new admissions to ICU/HDU with confirmed influenza infection (14 A(H1N1)pdm09, 13 A
unknown subtype, seven B and five A(H3N2) were reported across the UK (130/163 Trusts in England)
through the USISS mandatory ICU scheme (Figures 12 and 13). A total of 739 admissions (273 B, 207 A
unknown subtype, 132 A(H1N1)pdm09 and 127 A(H3N2)) have been reported since week 40 2012. Two
new confirmed influenza deaths were reported in week 11 2013. Eighty-six confirmed influenza deaths (30
B, 26 A(H3N2), 17 A(H1N1)pdm09 and 13 A unknown subtype) have been reported across the UK in
ICU/HDU since week 40 (Figure 12).
...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138449850
 
Re: UK: 2012-2013: HPA Weekly National Influenza Reports.

Re: UK: 2012-2013: HPA Weekly National Influenza Reports.

HPA Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
28 March 2013 ? Week 13 report (up to week 12 data)

Indicators of influenza activity across England are decreasing but continue to show influenza is circulating. A letter has been issued to the NHS that GPs may prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.
Overall weekly influenza GP consultation rates across the UK o In week 12 (ending 24 March 2013), overall weekly influenza GP consultations remained stable in England (11.6 per 100,000) and Scotland (18.1 per 100,000) and decreased in Wales (14.2 per 100,000) and Northern Ireland (32.1 per 100,000).
o In week 12 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o 16 new acute respiratory disease outbreaks have been reported in the past seven days. 11 had a virological result available (seven influenza A (unsubtyped), two A(H3), one B/A(unsubtyped) and one B).

 Virology
o 188 influenza positive detections (71 A subtype not known, 69 A(H3), 29 B and 19 A(H1N1)pdm09) were recorded through the DataMart scheme (overall positivity of 17.2% compared to 20.3% the previous week).
o The proportion of samples positive in DataMart (England) remained stable for adenovirus, parainfluenza, RSV, hMPV and rhinovirus.
o 9 influenza positive detections were recorded through the two English GP-based sentinel schemes in week 12 (5 A(H3), 2 B and 2 A(H1N1)pdm09), giving a positivity of 34.6% compared to 36.6% in week 11.

 Disease severity and mortality
o 23 new admissions to ICU/HDU with confirmed influenza (nine A(subtype not known), seven A(H3N2), six B and one A(H1N1)pdm09 and were reported through the USISS mandatory ICU surveillance scheme across the UK (130 Trusts in England) in week 12. 54 new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (22 Trusts).
o In week 12 2013, excess all-cause mortality was seen in England and Northern Ireland through the EuroMOMO algorithm. This data is provisional due to the time delay in death registration.

 International situation
o During week 11 2013, influenza activity continued to decline across Europe; after more than three months of active transmission, the 2012/13 influenza season is on the wane.
o Influenza activity in North America remains elevated but is continuing to decrease in most areas.
o Low levels of influenza activity were reported across the tropical regions of the world and activity in countries of the southern hemisphere remains at inter-seasonal levels.

 Novel coronavirus
o In February 2013, three cases of novel coronavirus were diagnosed in UK residents in the UK. The first case had recently travelled to the Middle East and Pakistan. The two further cases were family members in contact with the first case, with no recent travel history.
o In this cluster, the index case and one of the family members subsequently died following severe respiratory illness, while the second family member recovered from a mild respiratory illness. 135 close contacts have been identified and followed up and no further PCR confirmed secondary cases have been identified to date. Further information is available in a recent publication in Eurosurveillance.
...
-In week 12, 23 new admissions to ICU/HDU with confirmed influenza infection (nine A unknown subtype,
seven A(H3N2), six B and one A(H1N1)pdm09 and were reported across the UK (130/163 Trusts in
England) through the USISS mandatory ICU scheme (Figures 12 and 13). A total of 781 admissions (282 B,
226 A unknown subtype, 137 A(H1N1)pdm09 and 136 A(H3N2)) have been reported since week 40 2012.
One new confirmed influenza death was reported in week 12 2013. Ninety confirmed influenza deaths (31 B,
30 A(H3N2), 17 A(H1N1)pdm09 and 12 A unknown subtype) have been reported across the UK in ICU/HDU
since week 40

...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138560638
 
Re: UK: 2012-2013: HPA Weekly National Influenza Reports.

Re: UK: 2012-2013: HPA Weekly National Influenza Reports.

PHE Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
4 April 2013 ? Week 14 report (up to week 13 data)

Indicators of influenza activity across England are decreasing. GPs may still prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.
 Overall weekly influenza GP consultation rates across the UK o In week 13 (ending 31 March 2013), overall weekly influenza GP consultations decreased in England (7.7 per 100,000), Scotland (14.2 per 100,000) and Wales (9.5 per 100,000) and increased slightly in Northern Ireland (37.4 per 100,000).
o In week 13 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o 10 new acute respiratory disease outbreaks have been reported in the past seven days. Eight had a virological result available (four influenza A (unsubtyped), two A(H3) and two B).

 Virology
o 134 influenza positive detections (54 A(H3), 40 A subtype not known, 25 B and 15 A(H1N1)pdm09) were recorded through the DataMart scheme (overall positivity of 14.9% compared to 19.1% the previous week).
o The proportion of samples positive in DataMart (England) increased slightly for hMPV and remained stable for adenovirus, parainfluenza, RSV and rhinovirus.
o 2 influenza positive detections were recorded through the two English GP-based sentinel schemes in week 13 (2 A(H1N1)pdm09), giving a positivity of 15.4% compared to 28.0% in week 12.

 Disease severity and mortality
o 26 new admissions to ICU/HDU with confirmed influenza (15 A(subtype not known), six A(H3N2), four A(H1N1)pdm09 and one B were reported through the USISS mandatory ICU surveillance scheme across the UK (120 Trusts in England) in week 13. 38 new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (23 Trusts).
o In week 13 2013, excess all-cause mortality was seen in England in 65+ year olds through the EuroMOMO algorithm. This data is provisional due to the time delay in death registration.

 International situation
o During week 12 2013, influenza activity in Europe continued to decline or had already returned to baseline levels; after more than three months of active transmission, the 2012/13 influenza season is waning.
o Influenza activity in North America continues to decrease overall.
o Low levels of influenza activity were reported across the tropical regions of the world and activity in countries of the southern hemisphere remains at inter-seasonal levels.
o Nine cases of human infection with influenza A(H7N9) in China have been reported by ECDC. Three of the cases have died and the remaining six are in a critical condition. To date no epidemiological link between the cases has been identified.
...
-In week 13, 26 new admissions to ICU/HDU with confirmed influenza infection (15 A unknown subtype, six
A(H3N2), four A(H1N1)pdm09 and one B) were reported across the UK (120/163 Trusts in England) through
the USISS mandatory ICU scheme (Figures 12 and 13). A total of 820 admissions (286 B, 245 A unknown
subtype, 145 A(H3N2) and 144 A(H1N1)pdm09) have been reported since week 40 2012. Seven new
confirmed influenza deaths were reported in week 13 2013. Ninety-nine confirmed influenza deaths (33
A(H3N2), 31 B, 22 A(H1N1)pdm09 and 13 A unknown subtype) have been reported across the UK in
ICU/HDU since week 40

...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138624419
 
Re: UK: 2012-2013: HPA / PHE Weekly National Influenza Reports.

PHE Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal
respiratory illnesses
11 April 2013 ? Week 15 report (up to week 14 data)

Influenza is continuing to circulate in England and outbreaks continue to be reported, particularly in care
homes. GPs may still prescribe antiviral medicines for the prophylaxis and treatment of influenza in
accordance with NICE guidance.
...
Virological surveillance
 In week 14 2013, 92 (12.4%) of the 743 respiratory specimens
reported to the English Respiratory Data Mart system were
positive for influenza (75 A unsubtyped, 41 A(H3), 10
A(H1N1)pdm09 and 10 B) compared to 16.0% in week 13
...
Severe disease surveillance
In week 14 2013, 21 new admissions of confirmed influenza cases to ICU/HDU (13 A unknown subtype, four
A(H3N2), 3 B and one A(H1N1)pdm09) and two confirmed influenza deaths in ICU/HDU have been reported
through
the national USISS mandatory ICU scheme across the UK (133 Trusts in England) (Figure 4). Twenty-seven new
hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across
England (18 Trusts) (10 A(H3N2),seven B, six A(H1N1)pdm09, four A(unknown subtype).
 In week 13 2013 (which had one bank holiday), an estimated 9,280 all-cause deaths were registered in England and
Wales (source: Office for National Statistics). This is less than the 11,075 estimated death registrations in week 12
and below the 95% upper limit of expected death registrations for this time of year as calculated by the HPA.
In week 14 2013, significant excess mortality above threshold was seen in 65+ year olds in England after correcting
ONS disaggregate data for reporting delay with the standardised EuroMOMO algorithm (Table 1). By region this
excess was localised to the North West. This excess coincides with continued circulating influenza and low
temperatures. This data is provisional due to the time delay in registration and the Easter bank holidays and so
numbers may vary from week to week.

...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138680595
 
Re: UK: 2012-2013: HPA / PHE Weekly National Influenza Reports.

PHE Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
18 April 2013 ? Week 16 report (up to week 15 data)

Summary
Influenza is continuing to circulate in England and outbreaks continue to be reported, particularly in care homes. GPs may still prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.

 Overall weekly influenza GP consultation rates across the UK o In week 15 (ending 14 April 2013), overall weekly influenza GP consultations remained stable in England (5.4 per 100,000), Scotland (5.6 per 100,000) and Wales (7.0 per 100,000) and increased in Northern Ireland (41.6 per 100,000).
o In week 15 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o 19 new acute respiratory disease outbreaks have been reported in the past seven days. Eight had a virological result available (four influenza A (unsubtyped), one A(H3), one B, one A(H1N1)pdm09 and one hMPV).

 Virology
o 129 influenza positive detections (62 A(H3), 30 A subtype not known, 20 B and 17 A(H1N1)pdm09) were recorded through the DataMart scheme (overall positivity of 15.8% compared to 13.7% the previous week).
o The proportion of samples positive in DataMart (England) decreased for rhinovirus and remained stable for adenovirus, parainfluenza, RSV and hMPV.
o No influenza positive detections were recorded through the two English GP-based sentinel schemes in week 15.

 Disease severity and mortality
o 22 new admissions to ICU/HDU with confirmed influenza (10 A(subtype not known), nine A(H1N1)pdm09, two B and one A(H3N2) were reported through the USISS mandatory ICU surveillance scheme across the UK (140 Trusts in England) in week 15. 30 new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (21 Trusts).
o In week 15 2013, excess all-cause mortality was seen in England in 65+ year olds through the EuroMOMO algorithm. This data is provisional due to the time delay in death registration.

 International situation
o During week 14 2013, influenza activity in Europe continued to decline or had already returned to baseline levels; after more than three months of active transmission, the 2012/13 influenza season is waning and getting closer to its end.
o Influenza activity in North America continues to decrease.
o Low levels of influenza activity were reported across the tropical regions of the world and activity in countries of the southern hemisphere remains at inter-seasonal levels.
o Up to 15 April 2013, 60 cases of human infection with influenza A(H7N9) in China have been reported by ECDC. 13 of the cases have died, 44 are severe cases and three are mild cases.
...
-In week 15, 22 new admissions to ICU/HDU with confirmed influenza infection (10 A unknown subtype, nine
A(H1N1)pdm09, two B and one A(H3N2)) were reported across the UK (140/163 Trusts in England) through
the USISS mandatory ICU scheme (Figures 12 and 13). A total of 893 admissions (296 B, 267 A unknown
subtype, 168 A(H1N1)pdm09 and 162 A(H3N2)) have been reported since week 40 2012. One new
confirmed influenza death was reported in week 15 2013. One hundred and five confirmed influenza deaths
(34 A(H3N2), 31 B, 25 A(H1N1)pdm09 and 15 A unknown subtype) have been reported across the UK in
ICU/HDU since week 40 (Figure 12).

...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138732188
 
Re: UK: 2012-2013: HPA / PHE Weekly National Influenza Reports.

PHE Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal
respiratory illnesses
25 April 2013 ? Week 17 report (up to week 16 data)
...
Influenza is continuing to circulate in England and outbreaks continue to be reported. GPs may still
prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE
guidance.

...
Community surveillance
 GP consultation rates for influenza-like illness remain low in all schemes in the UK
...
Virological surveillance
 In week 16 2013, 65 (8.5%) of the 761 respiratory specimens
reported to the English Respiratory Data Mart system were
positive for influenza (30 A(H3), 16 A unsubtyped, 12 B and 7
A(H1N1)pdm09) compared to 15.5% in week 15 (Figure 3).
 Positivity remained stable for rhinovirus (10.0%), parainfluenza
(7.7%), hMPV (6.5%), adenovirus (4.2%) and RSV (1.2%).
...
Outbreak Reporting
 9 new acute respiratory outbreaks have been reported in the past week across the UK (seven in care homes
and two in hospitals). Six had a virological result available (five influenza A(unsubtyped) and one B).
...
Severe disease surveillance
 In week 16, 22 new admissions of confirmed influenza cases to ICU/HDU (13 A unknown subtype, six A(H3N2), two
A(H1N1)pdm09) and one B and one confirmed influenza death in ICU/HDU have been reported through the national
USISS mandatory ICU scheme across the UK (145 Trusts in England) (Figure 4). Fifteen new hospitalised confirmed
influenza cases have been reported through the USISS sentinel hospital network across England (23 Trusts) (five
A(H3N2), four B, three A(H1N1)pdm09, three A(unknown subtype).

In week 15 2013, an estimated 12,147 all-cause deaths were registered in England and Wales (source: Office for
National Statistics). This is more than the 10,890 estimated death registrations in week 14 (which had one bank
holiday) and above the 95% upper limit of expected death registrations for this time of year as calculated by PHE.

In week 16 2013, significant excess mortality above threshold was seen in 65+ year olds in England after correcting
ONS disaggregate data for reporting delay with the standardised EuroMOMO algorithm in most regions (Table 1).
This excess coincides with continued circulating influenza. This data is provisional due to the time delay in registration

and so numbers may vary from week to week.
...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138804852
 
Re: UK: 2012-2013: HPA / PHE Weekly National Influenza Reports.

PHE Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal respiratory illnesses
02 May 2013 ? Week 18 report (up to week 17 data)

Summary
Indicators of influenza activity have remained stable or decreased compared to the previous week. GPs may still prescribe antiviral medicines for the prophylaxis and treatment of influenza in accordance with NICE guidance.

 Overall weekly influenza GP consultation rates across the UK o In week 17 (ending 28 April 2013), overall weekly influenza GP consultations remained stable in England (5.2 per 100,000) and Wales (5.8 per 100,000) and decreased in Scotland (11.4 per 100,000) and Northern Ireland (19.4 per 100,000).
o In week 17 2013, the weekly proportion of NHS Direct calls for cold/flu and fever (5-14yrs) remained below their respective influenza thresholds of 1.6% and 11.7%.
o Eight new acute respiratory disease outbreaks have been reported in the past seven days. Four had a virological result available (four influenza A (unsubtyped)).

 Virology
o 31 influenza positive detections (16 A(H3), six B, six A(H1N1)pdm09 and three A subtype not known) were recorded through the DataMart scheme (overall positivity of 4.9% compared to 8.5% the previous week).
o The proportion of samples positive in DataMart (England) remained stable for rhinovirus, adenovirus, parainfluenza, RSV and hMPV.
o No samples were tested for influenza through the two English GP-based sentinel schemes in week 17.

 Disease severity and mortality
o 12 new admissions to ICU/HDU with confirmed influenza (five A(subtype not known), three B, two A(H1N1)pdm09 and two A(H3N2) were reported through the USISS mandatory ICU surveillance scheme across the UK (129 Trusts in England) in week 17. Ten new hospitalised confirmed influenza cases have been reported through the USISS sentinel hospital network across England (28 Trusts).
o In week 17 2013, excess all-cause mortality was seen in England in 65+ year olds through the EuroMOMO algorithm. This data is provisional due to the time delay in death registration.
...
-In week 17, 12 new admissions to ICU/HDU with confirmed influenza infection (five A unknown subtype, three B,
two A(H1N1)pdm09 and two A(H3N2)) were reported across the UK (129/163 Trusts in England) through the
USISS mandatory ICU scheme (Figures 12 and 13). A total of 934 admissions (303 B, 287 A unknown subtype,
173 A(H1N1)pdm09 and 171 A(H3N2)) have been reported since week 40 2012. One new confirmed influenza
death was reported in week 17 2013. One hundred and seven confirmed influenza deaths (35 A(H3N2), 31 B, 26
A(H1N1)pdm09 and 15 A unknown subtype) have been reported across the UK in ICU/HDU since week 40

(Figure 12).
...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317138867042
 
Re: UK: 2012-2013: HPA / PHE Weekly National Influenza Reports.

PHE Weekly National Influenza Report
Summary of UK surveillance of influenza and other seasonal
respiratory illnesses
23 May 2013 ? Week 21 report (up to week 20 data)

Indicators of influenza activity are low. GPs may no longer prescribe antiviral medicines for the
prophylaxis and treatment of influenza in accordance with NICE guidance.

Community surveillance
 GP consultation rates for influenza-like illness remain low in all schemes in the UK
...
Virological surveillance
 In week 20 2013, four (0.6%) of the 676 respiratory specimens
reported to the English Respiratory Data Mart system were
positive for influenza (2 B, 1 A(H3) and 1 A(H1N1)pdm09)
compared to 3.0% in week 19 (Figure 3).
 Positivity remained stable for rhinovirus (16.4%), parainfluenza
(9.7%), hMPV (5.3%), adenovirus (4.9%) and RSV (1.7%).
 0/10 samples tested through the English GP-based sentinel
schemes in week 20 were positive for influenza (compared to a
positivity of 17.6% in week 19). 0/13 samples from Scotland were
positive for influenza and no samples were received through the
Northern Ireland and Welsh schemes.
...
Outbreak Reporting
 Three new acute respiratory outbreaks have been reported in the past week from the West Midlands in care
homes. One had a virological result available (one A(unsubtyped).
...
Severe disease surveillance
 In week 20, one new admission of confirmed influenza cases to ICU/HDU (one A(H1N1)pdm09) and no confirmed
influenza deaths in ICU/HDU have been reported through the national USISS mandatory ICU scheme across the UK
(126 Trusts in England) (Figure 4). One new hospitalised confirmed influenza case has been reported through the
USISS sentinel hospital network across England (18 Trusts) (one A(unknown subtype)).
 In week 19 2013 (including one bank holiday), an estimated 8,814 all-cause deaths were registered in England and
Wales (source: Office for National Statistics). This is less than the 10,169 estimated death registrations in week 18
and is below the 95% upper limit of expected death registrations for this time of year as calculated by PHE.
 In week 20 2013, significant excess mortality just above threshold was seen in 65+ year olds in England after
correcting ONS disaggregate data for reporting delay with the standardised EuroMOMO algorithm in most regions
(Table 1). This data is provisional due to the time delay in registration and so numbers may vary from week to week.
...
http://www.hpa.org.uk/webc/HPAwebFile/HPAweb_C/1317139048898
 
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