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Volume 16, Number 6—June 2010
Dispatch

Pulsed-field Gel Electrophoresis for Salmonella Infection Surveillance, Texas, USA, 2007

Stephen G. LongComments to Author , Herbert L. DuPont, Linda Gaul, Raouf R. Arafat, Beatrice J. Selwyn, Joan Rogers, and Eric Casey
Author affiliations: Houston Department of Health and Human Services, Houston, Texas, USA (S.G. Long, R.R. Arafat, J. Rogers); University of Texas School of Public Health, Houston (H.L. DuPont, B.J. Selwyn); St. Luke’s Episcopal Hospital, Houston (H.L. DuPont); Baylor College of Medicine, Houston (H.L. DuPont); Texas Department of State Health Services, Austin, Texas, USA (L. Gaul, E. Casey)

Main Article

Table 1

Cases of Salmonella infection reported to HDHHS, incidence rates, and PFGE results, May 1, 2007–December 31, 2007*

Case-patient characteristic No. cases reported to HDHHS (%), n = 145 Incidence rate,† 
n = 145 No. (%) case-patients assigned a PFGE pattern, n = 106 No. (%) case-patients assigned a PFGE pattern and interviewed, n = 96
Sex
M 65 (44.8) 10.0 50 (47.2) 45 (46.9)
F
 80 (55.2)
 12.3
 56 (52.8)
 51 (53.1)
Age, y
<1 27 (18.6) 119.3 21 (19.8) 19 (19.8)
1–4 40 (27.6) 47.3 31 (29.2) 27 (28.1)
5–19 21 (14.5) 7.3 11 (10.4) 11 (11.5)
20–34 9 (6.2) 2.6 7 (6.6) 7 (7.3)
35–54 20 (13.8) 5.5 15 (14.2) 13 (13.5)
55–74 16 (11.0) 10.4 13 (12.3) 11 (11.5)
>75
 12 (8.3)
 25.4
 8 (7.5)
 8 (8.3)
Race/ethnicity
White
Non-Hispanic 37 (25.5) 9.2 27 (25.5) 25 (26.0)
Hispanic 70 (48.3) 14.4 45 (42.4) 43 (44.8)
Black 23 (15.9) 7.1 20 (18.9) 17 (17.7)
Asian 9 (6.2) 13.1 9 (8.5) 9 (9.4)
Unknown
 6 (4.1)
 ‡
 5 (4.7)
 2 (2.1)
Total 145 11.1 106 96

*HDHHS, Houston Department of Health and Human Services; PFGE, pulsed-field gel electrophoresis.
†Rate was calculated as number of cases/100,000 population/year, based on the 8-month study period.
‡Rate was not calculable.

Main Article

Page created: February 10, 2011
Page updated: February 10, 2011
Page reviewed: February 10, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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