Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic...

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GP In Hours Syndromic Surveillance System: England 19 January 2016 Key messages GP consultation rates for influenza-like illness increased slightly during week 2 but remained within seasonally expected levels (figure 2). Rates of lower respiratory tract infection and pneumonia decreased during week 2, and remain within seasonally expected levels (figures 5 and 6). In This Issue: Key messages. Diagnostic indicators at a glance. GP practices and denominator population. National syndromic indicators. Notes and further information. Appendix. Diagnostic indicators at a glance: GP practices and denominator population: Data to: 17 January 2016 **based on the average number of practices and denominator population in the reporting working week. Year Week GP Practices Reporting** Population size** 2016 2 4801 36.4 million Year: 2016 Week: 2 Indicator Trend Level Upper respiratory tract infection decreasing similar to baseline levels Influenza-like illness increasing below baseline levels Pharyngitis no trend above baseline levels Scarlet fever no trend similar to baseline levels Lower respiratory tract infection decreasing above baseline levels Pneumonia decreasing similar to baseline levels Gastroenteritis no trend below baseline levels Vomiting no trend below baseline levels Diarrhoea no trend similar to baseline levels Severe asthma decreasing above baseline levels Wheeze no trend above baseline levels Conjunctivitis no trend below baseline levels Mumps no trend below baseline levels Measles no trend similar to baseline levels Rubella no trend similar to baseline levels Pertussis no trend above baseline levels Chickenpox decreasing below baseline levels Herpes zoster no trend similar to baseline levels Cellulitis no trend above baseline levels Impetigo no trend above baseline levels A Cold Watch System operates in England from 1 November to 31 March each year. As part of the Public Health England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance data during this period. Cold weather alert level (current reporting week): Levels 2/3Alert & readiness/Cold weather action http://www.metoffice.gov.uk/weather/uk/coldweatheralert/

Transcript of Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic...

Page 1: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours Syndromic Surveillance System:

England

19 January 2016

Key messages GP consultation rates for influenza-like illness increased slightly during week 2 but remained within seasonally expected levels (figure 2). Rates of lower respiratory tract infection and pneumonia decreased during week 2, and remain within seasonally expected levels (figures 5 and 6).

In This Issue:

Key messages.

Diagnostic indicators at a glance.

GP practices and denominator population.

National syndromic indicators.

Notes and further information.

Appendix.

Diagnostic indicators at a glance:

GP practices and denominator population:

Data to: 17 January 2016

**based on the average number of practices and denominator population in the reporting working week.

Year Week GP Practices Reporting** Population size**

2016 2 4801 36.4 million

Year: 2016 Week: 2

Indicator Trend Level

Upper respiratory tract infection decreasing similar to baseline levels

Influenza-like illness increasing below baseline levels

Pharyngitis no trend above baseline levels

Scarlet fever no trend similar to baseline levels

Lower respiratory tract infection decreasing above baseline levels

Pneumonia decreasing similar to baseline levels

Gastroenteritis no trend below baseline levels

Vomiting no trend below baseline levels

Diarrhoea no trend similar to baseline levels

Severe asthma decreasing above baseline levels

Wheeze no trend above baseline levels

Conjunctivitis no trend below baseline levels

Mumps no trend below baseline levels

Measles no trend similar to baseline levels

Rubella no trend similar to baseline levels

Pertussis no trend above baseline levels

Chickenpox decreasing below baseline levels

Herpes zoster no trend similar to baseline levels

Cellulitis no trend above baseline levels

Impetigo no trend above baseline levels

A Cold Watch System operates in England from 1 November to 31 March each year. As part of the Public Health England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance data during this period. Cold weather alert level (current reporting week): Levels 2/3—Alert & readiness/Cold weather action http://www.metoffice.gov.uk/weather/uk/coldweatheralert/

Page 2: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours

19 January 2016.

Page 2.

1: Upper respiratory

tract infection (URTI)

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

1a: Upper respiratory tract infection (URTI) by age

Average daily incidence rate by week per 100,000 population (all England)

Intentionally left blank

* 7-day moving average adjusted for bank holidays.

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GP In Hours

19 January 2016.

Page 3.

2: Influenza-like illness

(ILI)

Daily incidence rates (and 7-day moving average*) per 100,000 population (all England, all ages).

3: Pharyngitis or scarlet fever

Daily incidence rates (and 7-day moving average*) per 100,000 population (all England, all ages).

* 7-day moving average adjusted for bank holidays.

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weekend bank holiday 7 day mov avg baseline (2010-13) Influenza-like illness

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weekend bank holiday 7 day mov avg baseline (2010-13) Pharyngitis or scarlet fever

Year: 2016 Week: 2

Average daily incidence rate by week per 100,000 population (all England)

2a: Influenza-like illness (ILI) by age

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weekend bank holiday 7 day mov avg baseline (2012-14) Scarlet Fever

GP In Hours

19 January 2016.

Page 4.

4: Scarlet fever

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, based on a population denominator of approximately 5.5 million patients).

5: Lower respiratory tract infection (LRTI)

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

* 7-day moving average adjusted for bank holidays.

5a: Lower respiratory tract infection (LRTI) by age

Average daily incidence rate by week per 100,000 population (all England)

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weekend bank holiday 7 day mov avg baseline (2010-13) LRTI

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weekend bank holiday 7 day mov avg baseline (2009-13) Pneumonia

6a: Pneumonia by age

Average daily incidence rate by week per 100,000 population (all England)

7: Gastroenteritis

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

GP In Hours

19 January 2016.

Page 5.

6: Pneumonia

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

* 7-day moving average adjusted for bank holidays.

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weekend bank holiday 7 day mov avg baseline (2009-13) Gastroenteritis

Page 6: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

8a: Vomiting by age

Average daily incidence rate by week per 100,000 population (all England)

9: Diarrhoea

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

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weekend bank holiday 7 day mov avg baseline (2009-13) Vomiting

GP In Hours

19 January 2016.

Page 6.

8: Vomiting

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

* 7-day moving average adjusted for bank holidays.

Year: 2016 Week: 2

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weekend bank holiday 7 day mov avg baseline (2009-13) Diarrhoea

Page 7: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours

19 January 2016.

Page 7.

10: Severe asthma

* 7-day moving average adjusted for bank holidays.

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

10a: Severe asthma by age

9a. Diarrhoea by age

Average daily incidence rate by week per 100,000 population (all England)

Average daily incidence rate by week per 100,000 population (all England)

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weekend bank holiday 7 day mov avg baseline (2009-13) Severe Asthma

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GP In Hours

19 January 2016.

Page 8.

11: Wheeze

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

11a: Wheeze by age

Average daily incidence rate by week per 100,000 population (all England)

12: Conjunctivitis

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

* 7-day moving average adjusted for bank holidays.

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weekend bank holiday 7 day mov avg baseline (2009-13) Wheeze

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weekend bank holiday 7 day mov avg baseline (2009-13) Conjunctivitis

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Page 9: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours

Page 9.

13: Mumps

Daily incidence rate

(and 7-day moving

average*) per 100,000

population (all England,

all ages).

14: Measles

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

15: Rubella

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

19 January 2016.

* 7-day moving average adjusted for bank holidays.

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weekend bank holiday 7 day mov avg baseline (2009-13) Mumps

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weekend bank holiday 7 day mov avg baseline (2009-13) Rubella

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Year: 2016 Week: 2

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GP In Hours

19 January 2016.

Page 10.

16: Pertussis

Daily incidence rate

(and 7-day moving

average*) per 100,000

population (all England,

all ages).

17: Chickenpox

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

18: Herpes zoster

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

* 7-day moving average adjusted for bank holidays.

0.00

0.05

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0.15

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weekend bank holiday 7 day mov avg baseline (2009-13) Pertussis

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weekend bank holiday 7 day mov avg baseline (2009-13) Chickenpox

Year: 2016 Week: 2

Page 11: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours

19 January 2016.

Page 11.

19: Cellulitis

Daily incidence rate

(and 7-day moving

average*) per 100,000

population (all England,

all ages).

20: Impetigo

Daily incidence rate (and 7-day moving average*) per 100,000 population (all England, all ages).

Intentionally left blank

* 7-day moving average adjusted for bank holidays.

0.0

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weekend bank holiday 7 day mov avg baseline (2009-13) Impetigo

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Page 12: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours

19 January 2016.

Page 12.

Notes and further

information

The Public Health England GP in hours surveillance system is a syndromic surveillance system monitoring community-based morbidity recorded by GP practices.

GP consultation data are analysed on a daily basis to identify national and regional trends. A statistical algorithm underpins each system, routinely identifying activity that has increased significantly or is statistically significantly high for the time of year. Results from these daily analyses are assessed by the ReSST, along with analysis by age group, and anything deemed of public health importance is alerted by the team.

This system captures anonymised GP morbidity data from two GP clinical software systems, EMIS, from version 1 of the QSurveillance® database, and TPP SystmOne.

Historic baselines are smoothed to remove bank holiday effects. Data from 2009 has been excluded for selected indicators which were affected by the H1N1 influenza pandemic. No baseline is currently included for allergic rhinitis.

Acknowledgements: We thank and acknowledge the University of Nottingham, ClinRisk® and the contribution of

EMIS and EMIS practices. Data source: version 1 of the QSurveillance® database. We thank TPP, ResearchOne and the SystmOne GP practices contributing to this surveillance system.

GP In Hours Syndromic Surveillance System Bulletin.

Produced by: PHE Real-time Syndromic Surveillance Team 6th Floor, 5 St Philip’s Place, Birmingham, B3 2PW

Tel: 0344 225 3560 > Option 4 > Option 2 Fax: 0121 236 2215 Web: https://www.gov.uk/government/collections/syndromic -surveillance-systems-and

-analyses

Contact ReSST: [email protected]

Year: 2016 Week: 2

From week 40 2015 the influenza-like illness thresholds illustrated in the bulletin appendix maps are calculated using the “Moving Epidemic Method” (MEM).1 MEM is used as a standard methodology for setting influenza surveillance thresholds across Europe.2

The ILI thresholds have been calculated separately for each of the nine PHE Centres to allow for structural differences between areas e.g. background rates are historically higher in London than other areas of England.

The current ILI thresholds are based on six previous influenza seasons (excluding the 2009/10 H1N1 pandemic). In future, thresholds will be recalculated each year incorporating the latest season’s data.

The maps on the following pages contains Ordnance Survey data © Crown copyright and database right 2014. Contains National Statistics data © Crown copyright and database right 2014.

1 Vega T et al. Influenza Other Respir Viruses. 2013;7(4):546-58.

2 Green HK et al. Epidemiol Infect. 2015;143(1):1-12.

Maps:

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18 January 2016.

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England

Influenza-like illness GP consultations by LA (England)

Contains Ordnance Survey data ©Crown copyright and database right 2015. Contains National Statistics data.

Week 52 Week 53

Week 1 Week 2

Year: 2016 Week: 2

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GP In Hours Appendix

18 January 2016.

Page 14.

North East

Influenza-like illness GP consultations by LA (North East PHE Centre)

Contains Ordnance Survey data ©Crown copyright and database right 2015. Contains National Statistics data.

Week 52 Week 53

Week 1 Week 2

Year: 2016 Week: 2

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GP In Hours Appendix

18 January 2016.

Page 15.

Yorkshire &

Humber

Influenza-like illness GP consultations by LA (Yorkshire & Humber PHE Centre)

Contains Ordnance Survey data ©Crown copyright and database right 2015. Contains National Statistics data.

Week 52 Week 53

Week 1 Week 2

Year: 2016 Week: 2

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GP In Hours Appendix

18 January 2016.

Page 16.

North West

Influenza-like illness GP consultations by LA (North West PHE Centre)

Contains Ordnance Survey data ©Crown copyright and database right 2015. Contains National Statistics data.

Week 52 Week 53

Week 1 Week 2

Year: 2016 Week: 2

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GP In Hours Appendix

18 January 2016.

Page 17.

East

Midlands

Influenza-like illness GP consultations by LA (East Midlands PHE Centre)

Contains Ordnance Survey data ©Crown copyright and database right 2015. Contains National Statistics data.

Week 52 Week 53

Week 1 Week 2

Year: 2016 Week: 2

Page 18: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours Appendix

18 January 2016.

Page 18.

West

Midlands

Influenza-like illness GP consultations by LA (West Midlands PHE Centre)

Contains Ordnance Survey data ©Crown copyright and database right 2015. Contains National Statistics data.

Week 52 Week 53

Week 1 Week 2

Year: 2016 Week: 2

Page 19: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours Appendix

18 January 2016.

Page 19.

East of

England

Influenza-like illness GP consultations by LA (East of England PHE Centre)

Contains Ordnance Survey data ©Crown copyright and database right 2015. Contains National Statistics data.

Week 52 Week 53

Week 1 Week 2

Year: 2016 Week: 2

Page 20: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours Appendix

18 January 2016.

Page 20.

South East

Influenza-like illness GP consultations by LA (South East PHE Centre)

Contains Ordnance Survey data ©Crown copyright and database right 2015. Contains National Statistics data.

Week 52 Week 53

Week 1 Week 2

Year: 2016 Week: 2

Page 21: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours Appendix

18 January 2016.

Page 21.

London

Influenza-like illness GP consultations by LA (London PHE Centre)

Contains Ordnance Survey data ©Crown copyright and database right 2015. Contains National Statistics data.

Week 52 Week 53

Week 1 Week 2

Year: 2016 Week: 2

Page 22: Key messages - GOV UK...England Cold Weather Plan for England the PHE Real-time Syndromic Surveillance team will be monitoring the impact of cold weather on syndromic surveillance

GP In Hours Appendix

18 January 2016.

Page 22.

South West

Influenza-like illness GP consultations by LA (South West PHE Centre)

Contains Ordnance Survey data ©Crown copyright and database right 2015. Contains National Statistics data.

Week 52 Week 53

Week 1 Week 2

Year: 2016 Week: 2