SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

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SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015

Transcript of SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

Page 1: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

SAN DIEGO COUNTY INFLUENZA

SURVEILLANCEOctober 14, 2015

Page 2: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

Top

5Reasons for Influenza Surveillance

1. Measure population impact

2. Identify novel influenza strains

3. Assess match of circulating strains to vaccine

4. Identify outbreaks and severe illness trends

5. Provide surveillance data to stakeholders

Purpose

Page 3: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

7,395

97155

Total Reported influenza cases

ICU CASESDEATHS

TOTAL REPORTED INFLUENZA CASES

78CONFIRMED OUTBREAKS

2014-15 SUMMARY

Page 4: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

Flu A

Flu B

Flu A/B

Influenza A

Influenza B

Influenza A (H3) Seasonal

Influenza A (H1N1)pdm09

Influenza B/YamagataInfluenza B/Victoria

Influenza A/B

4,830

1,217

981.9%

1,122

68

4916.7%

100 1.4%

Flu Type Flu Sub-type/Strain Count Percentage

N = 7,395

2014-15 SUMMARY

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Batched reports

2014-15 SUMMARY

Page 6: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

2014-15 SUMMARY

Page 7: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

Data Source: Reported Influenza Case ReportsPrepared by County of San Diego, Health & Human Services Agency, Public Health Services, Epidemiology and Immunization Services Branch, 10/05/15

2014-15 SUMMARY

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ICU

Cases

Deaths

Outbreaks

Calls

Specimens

Week

ED % ILI

JAN FEB MARDECNOVOCTSEPAUG

2014 2015

INFLUENZA ACTIVITY HEAT MAP31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 3 2 3 9 17 21 13 18 14 11 5 9 1 2 3 2 0 2 1

3 2 2 3 8 3 1 4 3 6 3 3 10 5 12 15 16 16 43 82 125 198 296 631 946 707 856 820 643 352 275 129 153 142 80 60 34 50

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 7 14 8 16 5 7 7 2 5 0 0 1 0 3

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 0 2 6 22 20 15 27 16 15 6 8 2 1 0 3 0 0 1

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2 2 0 7 9 40 41 31 37 30 22 16 4 3 2 3 3 1 0 1

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 5 6 12 30 27 76 152 65 77 53 41 26 26 27 11 16 11 8 6 2

3 2 2 3 3 3 2 2 2 4 3 4 2 4 2 1 2 3 3 4 3 6 7 6 8 11 8 6 6 4 5 5 5 5 3 4 3 2

APR

2014-15 SUMMARY

Page 9: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

Under 1

1-9

yrs

10-1

9 yr

s

20-3

9 yr

s

40-5

9 yr

s

60-7

9 yr

s80

+-100

400

900

1400

1900

2400

0.0

200.0

400.0

600.0

800.0

1,000.0

1,200.0

1,400.0

1,600.0

1,800.0

2,000.0

460.5396.8 382.3

70.7150.4 123.2

1314.6

Count Rate per 100K

Influenza Cases by Age Group, 2014-15C

ou

nt

Rate

per

100K

Number and Age Specific Incident Rate

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49 50 51 52 53 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 200

2

4

6

8

10

12

14

16

Influenza Outbreaks 2014-15

Week Reported

• 78 Flu outbreaks

• All outbreaks lab confirmed

• 1,050 total cases

• Avg. of 13 cases per outbreak

• 22 deaths among residents of outbreak locations (e.g. LTCF)

N=78

Page 11: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

Data Source: Reported Influenza Case ReportsPrepared by County of San Diego, Health & Human Services Agency, Public Health Services, Epidemiology and Immunization Services Branch, 10/05/15

2014-15 SUMMARY

Page 12: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

Data Source: Reported Influenza Case ReportsPrepared by County of San Diego, Health & Human Services Agency, Public Health Services, Epidemiology and Immunization Services Branch, 10/05/15

2014-15 SUMMARY

Page 13: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

62

00 ICU CASES

DEATHS

TOTAL REPORTED INFLUENZA CASES

** CURRENT UPDATE **Reported Influenza Cases Since July 1, 2015

Flu A73%

Flu B27%

Week

Count

Page 14: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

2015-16SAN DIEGO COUNTY REQUESTS

•All flu detections

• Fax to Epidemiology (858)715-6458

• Lab results & demographics

•All deaths and ICU cases

• Fax Discharge Summary, H&P medical records

• Specimens to PHL

•Indicate if SNF/Outbreak related

• Defined as 1 Lab+ and ≥ 2 ILI cases in 72 hours

PHL and Case Report Forms located on www.SDEpi.org

Page 15: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

INFLUENZA WATCH

Weekly summary

Emailed out Wednesdays

Starts end of October

Linked on SDIZ.org & SDEPI.org

To get on email distribution list:

[email protected]

Page 16: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.

CONTACT

Brit Colanter(619) 692-8415

[email protected]