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Volume 21, Number 11—November 2015

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)

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Table 3

Household infection characteristics of pediatric shigellosis patients and of community controls, rural Bangladesh*

Characteristic Patient households, no. (%), n = 27 Control households, no. (%), n = 27 p value†
Households with >1 infected contact 16 (59) 1 (4) <0.0001
Households with >1 contact with infection at visit 1 9 (33) 1 (4) 0.02
Households with >1 contact with initial infection detected at visits other than visit 1 11 (41) 0 0.001
Households with >1 infected symptomatic contact‡ 4 (15) 0 0.07
Households with >1 infected contact with same species and serotype as index patient’s 15 (94)
Households with >1 contact with different species and serotype than index patient’s 2 (12)

*–, not applicable because control households had no index patient.
†McNemar test was used for paired categorical variables, and Wilcoxon signed-rank test for continuous paired variables.
‡Defined as a Shigella infection with diarrhea, vomiting, or blood in stool during previous 48 hours.

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