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Volume 21, Number 11—November 2015
Research

Shigella Infections in Household Contacts of Pediatric Shigellosis Patients in Rural Bangladesh

Christine Marie GeorgeComments to Author , Shahnawaz Ahmed, Kaisar A. Talukder, Ishrat J. Azmi, Jamie Perin, R. Bradley Sack, David A Sack, O. Colin Stine, Lauren Oldja, Mohammad Shahnaij, Subhra Chakraborty, Tahmina Parvin, Sazzadul Islam Bhuyian, Edward Bouwer, Xiaotong Zhang, Trisheeta N. Hasan, Sharmin J. Luna, Fatema Akter, and Abu S.G. Faruque
Author affiliations: Johns Hopkins University, Baltimore, Maryland, USA (C.M. George, J. Perin, R.B. Sack, D.A. Sack, L. Oldja, S. Chakraborty, E. Bouwer, X. Zhang); icddb,b, Bangladesh (S. Ahmed, K.A. Talukder, I.J. Azmi, M. Shahnaij, T. Parvin, S.I. Bhuyian, T.N. Hasan, S.J. Luna, F. Akter, A.S.G. Faruque); University of Maryland School of Medicine, Baltimore (O.C. Stine)

Main Article

Table 4

Characteristics of household contacts with Shigella infections for pediatric shigellosis patients and community controls, rural Bangladesh

Characteristic Patient contacts
 Control contacts
 p value*
No. (%) Total no. No. (%) Total no.
Contacts infected 31 (37) 83 1 (1) 77 <0.0001
Contacts with symptomatic infections† 6 (7) 83 0 77 0.03
Contacts with infection detected on visit 1 of surveillance 13 (16) 83 1 (1) 77 0.0013
Contacts with infection detected on visits other than visit 1 of surveillance 18 (22) 83 0 77
Infected contacts by sex
M 18 (51) 35 0 31 0.44
F 13 (27) 48 1 (2) 46
Infected contacts by relation to patient or control child
Mother 9 (35) 26 0 26 0.09
Father 8 (53) 15 0 16
Brother 6 (55 11 0 12
Sister 2 (17) 12 1 (10) 10
Other relative 6 (32) 19 0 13
Infected contacts by Shigella species and serotype
S. flexneri 20 (65) 31 0 1 0.63
S. flexneri 1b 2 (6) 31 0 1
S. flexneri 1c 3 (10) 31 0 1
S. flexneri 2a 12 (39) 31 0 1
S. flexneri 3a 3 (10) 31 0 1
S. flexneri 4X 0 31 0 1
S. sonnei 9 (29) 31 1 (100) 1
S. boydii 2 (6) 31 0 0
S. boydii 7 1 (3) 31 0 0
S. boydii 1 (3) 31 0 0
S. dysenteriae 0 31 0 0

*By Fisher exact test.
†Defined as a Shigella infection with diarrhea, vomiting, or blood in stool during previous 48 hours.

Main Article

Page created: October 16, 2015
Page updated: October 16, 2015
Page reviewed: October 16, 2015
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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