SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.
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Transcript of SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.
![Page 1: SAN DIEGO COUNTY INFLUENZA SURVEILLANCE October 14, 2015.](https://reader036.fdocuments.in/reader036/viewer/2022062315/5697c01c1a28abf838cd003a/html5/thumbnails/1.jpg)
SAN DIEGO COUNTY INFLUENZA
SURVEILLANCEOctober 14, 2015
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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
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7,395
97155
Total Reported influenza cases
ICU CASESDEATHS
TOTAL REPORTED INFLUENZA CASES
78CONFIRMED OUTBREAKS
2014-15 SUMMARY
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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
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2014-15 SUMMARY
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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
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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
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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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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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62
00 ICU CASES
DEATHS
TOTAL REPORTED INFLUENZA CASES
** CURRENT UPDATE **Reported Influenza Cases Since July 1, 2015
Flu A73%
Flu B27%
Week
Count
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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
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INFLUENZA WATCH
Weekly summary
Emailed out Wednesdays
Starts end of October
Linked on SDIZ.org & SDEPI.org
To get on email distribution list: