1. EWIDS: Binational Data Exchange
Sal Hernandez, MPH, RS
Texas Department of State Health Services
July 2011

2. June 2011 Statistics for Border Counties
Dimmit
Edwards
Frio
Kinney
Lasalle
Maverick
Real
Uvalde
Val
Verde
Zavala
Total
CAMPYLOBACTEROSIS 1 2 3
CHLAMYDIA 3  0  6
21  1  28 10 74
GONORRHEA  0  1 8
HIV
SALMONELLOSIS 2   2
SHIGELLOSIS
28  31
TUBERCULOSIS
Grand Total 7 54 35 20 5
130

3. Campylobacteriosis and Salmonellosis Case Rates, Region 8 and R8 Border Counties, (2011 data through 7/18/11)

4. Shigellosis Case Rates, Region 8 and R8 Border Counties, 2006-2011 (2011 data through 7/18/11)

5. Chlamydia and Gonorrhea Case Rates Region 8 and R8 Border Counties, 2006-2010

6. HIV and STD Case Rates, Region 8 and R8 Border Counties, 2006-2010

7. Tuberculosis Case Rates Region 8 and R8 Border Counties, 2006-2010

8. Shigellosis, Maverick County April – July 2011

9. Summary 85 cases in 2011 as of 7/20/2011 39 Female, 46 Male
Shigella sonnei 79
Shigella, serogroup D 5
Shigella sp 1
39 Female, 46 Male
Ages 1 to 72 yrs
Mean: 7 yrs
Median: 6 yrs

10. Reported cases of shigellosis by month, Maverick County: 2008 (N=9), 2009 (N=10), 2010 (N=6), 2011*(N=85)
*Cases reported as of 7/20/2011

11. Drug sensitivity, Shigella sonnei isolates, Maverick County 2011 (N=27)

12. Investigation Status Of 85 cases reported as of 7/20/2011
79 investigations completed
6 investigations pending*
2 investigations lost to follow up*
*Protocol: 1) attempt to contact the case patient at least two times by telephone, 2) send notification letter, 3) close as “lost to follow up” if unable to reach and no response after two weeks time

13. Name of school that patient attends (N=77)
Benavidez Elementary 2
Building Bridges, Migrant Prg 1
Diego Elementary 1
Early Childhood Center 2
Glass Elementary 2
Graves Elementary 1
Henry B Gonzales Elem 1
Kennedy Hall 1
Kids & Tots 3
Language Development Center 3
Las Colonias 2
LBJ Headstart 2
Perfecto Mancha Elem 1
Pooh's Honeypot 1
Ray Darr 4
Redeemer Episcopal 1
Robert E Lee 1
Rosita Valley 1
Sam Houston Elementary 2
San Luis School 1
Seco Mines 2
Serna Elementary 4
Sesame Preschool 3
Sunshine Daycare 1
Total Care Academy 1
Unknown 15
None 18

14. Exposures to bodies of water in 10 days prior to onset (N=77)
None 42
Unknown 14
Backyard pool 11
Splashpad Funpark 2
Public pool, Eagle Pass 2
Del Rio River 2
Bracketville – Field Day 1
Fiesta Texas 1
Mexico 1
San Felipe Springs - Del Rio 1

15. Travel or other social activities in 10 days prior to onset (N=77)
None
Unknown
McDonalds Playground 2
Mexico
Fort Duncan Little League Ballpark 1
School Party 1
Peter Piper Pizza 1
Had sick animals at home 1

16. Conclusions
Significant increase in number of cases of shigellosis in Maverick county, mostly in school-aged children
Risk factors include:
School-aged
Residence in Maverick county
Swimming activities

17. Recommendations Continue ongoing surveillance and investigations
Notify appropriate entities/officials of the increase in cases
Release physician advisory
Release public information for awareness and prevention