Kane County Health Department · 2017. 10. 8. · Illinois Department of Public Health Illinois...
Transcript of Kane County Health Department · 2017. 10. 8. · Illinois Department of Public Health Illinois...
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TB Outbreak in a Homeless Shelter
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Objectives
Epidemiology of Outbreak Population Health Interventions Population Health Goals
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2007
One active case identified Less than compliant Prolonged recovery Contact investigation: no active
household members identified; no other active cases identified at shelter
No testing for Latent TB conducted
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2009 Two Years Later
November: Case #1 identified at hospital December: Case #2 identified Knew we had a problem
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TB Outbreak Screening
April 2009 - November 2010 there were approximately 760 persons identified as exposed to TB at the shelter.
Approximately 360 (47.5%) persons were screened once for TB.
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Apr 2007
X
Jan 2010
Feb
Mar
Apr
May
Jun
Jul
Nov 2009
Dec
1
Cases Pending Genotyping Results
Culture Negative Clinical Case
Case Matches Genotype
Cluster IL_214
2
Shelter A
0
January 2010
Aug
Sep Oct
Nov
3
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Apr 2007
X
Jan 2010
Feb
Mar
Apr
May
Jun
Jul
Nov 2009
Dec
1
Cases Pending Genotyping Results
Culture Negative Clinical Case
Case Matches Genotype
Cluster IL_214
Shelter A
0
February
Aug
Sep Oct
Nov
6
2
3
4
5
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Apr 2007
X
Jan 2010
Feb
Mar
Apr
May
Jun
Jul
Nov 2009
Dec
1
Cases Pending Genotyping Results
Culture Negative Clinical Case
Case Matches Genotype
Cluster IL_214
Shelter A
0
March
Aug
Sep Oct
Nov
4
6
2
3
7
5
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Apr 2007
X
Jan 2010
Feb
Mar
Apr
May
Jun
Jul
Nov 2009
Dec
1
Cases Pending Genotyping Results
Culture Negative Clinical Case
Case Matches Genotype
Cluster IL_214
Shelter A
0
April
Aug
Sep Oct
Nov
4
6
5
2
3
7 9
11
10
8
12
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Apr 2007
X
Jan 2010
Feb
Mar
Apr
May
Jun
Jul
Nov 2009
Dec
1
Cases Pending Genotyping Results
Culture Negative Clinical Case
Case Matches Genotype
Cluster IL_214
Shelter A
0
May
Aug
Sep Oct
Nov
4
6
5
2
3
7 9
11
10
8
12
13
14 15 Bar A
Jail A
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Apr 2007
X
Jan 2010
Feb
Mar
Apr
May
Jun
Jul
Nov 2009
Dec
1
Cases Pending Genotyping Results
Culture Negative Clinical Case
Case Matches Genotype
Cluster IL_214
Shelter A
0
June
Aug
Sep Oct
Nov
4
6
5
2
3
7 9
11
10
8
12
13
14 15 Bar A
Jail A
16
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Apr 2007
X
Jan 2010
Feb
Mar
Apr
May
Jun
Jul
Nov 2009
Dec
1
Cases Pending Genotyping Results
Culture Negative Clinical Case
Case Matches Genotype
Cluster IL_214
Shelter A
0
July
Aug
Sep Oct
Nov
4
6
5
2
3
7 9
11
10
8
12
13
14 15 Bar A
Jail A
16
17*
*Note 1 case counted in July 2010 linked to this outbreak was counted in downstate county.
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Apr 2007
X
Jan 2010
Feb
Mar
Apr
May
Jun
Jul
Nov 2009
Dec
1
Cases Pending Genotyping Results
Culture Negative Clinical Case
Case Matches Genotype
Cluster IL_214
Shelter A
0
Oct
Aug
Sep Oct
Nov
4
6
5
2
3
7 9
11
10
8
12
13
14 15 Bar A
Jail A
16
17*
*Note 1 case counted in July 2010 linked to this outbreak was counted in downstate county.
18
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Apr 2007
X
Jan 2010
Feb
Mar
Apr
May
Jun
Jul
Nov 2009
Dec
1
Cases Pending Genotyping Results
Culture Negative Clinical Case
Case Matches Genotype
Cluster IL_214
Shelter A
0
Dec
Aug
Sep Oct
Nov
4
6
5
2
3
7 9
11
10
8
12
13
14 15 Bar A
Jail A
16
17*
*Note 1 case counted in July 2010 linked to this outbreak was counted in downstate county.
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19
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0
0.5
1
1.5
2
2.5
3
Mar
-07
May
-07
Jul-0
7
Sep
-07
Nov
-07
Jan-
08
Mar
-08
May
-08
Jul-0
8
Sep
-08
Nov
-08
Jan-
09
Mar
-09
May
-09
Jul-0
9
Sep
-09
Nov
-09
Jan-
10
Mar
-10
May
-10
Jul-1
0
Sep
-10
Nov
-10
Jan-
11
Mar
-11
May
-11
Jul-1
1
Sep
-11
Nov
-11
Jan-
12
Mar
-12
Kane County TB Outbreak April 2007-April 2012
Based on Treatment Start date, Cases n=33, Suspects n=1
Index Case Genotypically LinkClinical case Epidemiological Link-Pending Genotyping ResultsSuspect Case
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TB Outbreak
Total cases associated with the Kane County homeless shelter outbreak remains at 33 active cases. First case was reported in 2007.
No new cases related to TB outbreak since November 2011. 30 cases were counted by Kane County Health Department TB Program
and 3 cases counted by other counties( Chicago-2009 case genotypically linked; McLean County-2011case;Will County-2011 case).
There is one suspect TB case reported in 2012 also with a known Epi-Link to the shelter.
2007 2008 2009 2010 2011 2012 Total
1 0 2 15 15 0 33 All TB Outbreak cases
1 0 1 15 13 0 30 Kane counted cases
0 0 1(Chicago) 0 2(McLean, Will)
0 3 Other counties counted cases
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TB Outbreak-Therapy Completion Rates
Twenty eight cases have completed therapy, three remain on treatment, one is lost to follow up and one is deceased.
Of 146 latent (at high risk of breakdown to active in two years) cases reported, ten have completed treatment.
New regimen 3HP for LTBI cases.
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TB Outbreak-Therapy Completion Rates
Year Total cases # Cases counted for Kane #
Cases counted for other counties #
Cases completed therapy # (%)
Cases ongoing therapy # (%)
Cases lost during therapy # (%)
Cases deceased # (%)
2007 1 1 1(100%)
2009 2 1 1 2(100%)
2010 15 15 14(93%) 1(7%)
2011 15 13 2 11(73%) 3(20%) 1(7%)
2012 0 0 0 Total completion rates 33 30 3 28(85%) 3(9%) 1(3%) 1(3%)
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TB Outbreak-Therapy Completion Rates
Completion rate approaching 91% 28 cases completed therapy 2 cases will complete therapy next month( May, 2012)
One case moved to another county for treatment; one case lost to follow up; one case deceased.
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Population Health Interventions
Monitor health status of homeless shelter residents to identify potential cases
Diagnose and treat active and latent TB cases, including daily observational therapy
Investigate contacts to active cases Educate shelter staff and residents
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Population Health Interventions Continued
Enforce compliance for active cases Develop shelter policies and plans that support
breaking transmission of disease Link residents to needed health services Mobilize community partnerships Evaluate effectiveness of program
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Impact on Kane County Health Department
Staffing Financial Time IDPH involvement CDC and NIOSH involvement
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Thank You to our Partners Kane County Health Department - Disease Prevention and Emergency and Preparedness Staff Illinois Department of Public Health Illinois Department of Public Health Laboratory Hesed House CDC Provena Mercy Medical Center Rush Copley Medical Center Provena St. Joseph Hospital, Elgin Open Door Clinic Dr. James McAuley, Rush Medical Center University of Illinois Laboratory Cellestis, Inc. Chicago Portable X-Ray City of Aurora NIOSH Cook County Department of Public Health- TB Control City of Chicago Department of Public Health- TB Control Lake County Health Department DuPage County Health Department McHenry County Health Department Heartland Alliance Heartland National TB Center, Tyler, Texas Aunt Martha’s FQHC