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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 5

Patient households with Shigella-infected household contacts by Shigella species and serotype and visit number at which infection was detected, rural Bangladesh*

Household
 Household member
 Species and serotype
 Visit no.
 No. PFGE genotypes within household
 Household genetic relatedness of strains†
Household 1
 Patient S. flexneri 2a 1 2
 Closely related
Contact 1 S. flexneri 2a 3
Contact 2 S. flexneri 2a 1
Contact 2
 S. flexneri 2a
 2
Household 2
 Patient S. flexneri 2a 1 2
 Unrelated
Contact 1 S. flexneri 2a 3
Contact 1 S. flexneri 2a 4
Contact 2
 S. boydii
1
Household 3
 Patient S. sonnei 1 1
 Indistinguishable
Contact 1 S. sonnei 1
Contact 1 S. sonnei 2
Contact 2 S. sonnei 4
Stored water
 S. sonnei
 1
Household 4
 Patient S. sonnei 1 1
 Indistinguishable
Contact 1 S. sonnei 1
Contact 1
 S. sonnei
 2
Household 5
 Patient S. flexneri 2a 1 2
 Closely related
Contact 1 S. flexneri 2a 4
Contact 2 S. flexneri 2a 2
Contact 2 S. flexneri 2a 3
Contact 2
 S. flexneri 2a
 4
Household 6
 Patient S. flexneri 2a 1 2
 Closely related
Contact 1 S. flexneri 2a 1
Contact 1 S. flexneri 2a 2
Contact 2 S. flexneri 2a 1
Contact 2 S. flexneri 2a 2
Contact 3
 S. flexneri 2a
 1
Household 7
 Patient S. flexneri 1c 1 3
 Closely related
Contact 1 S. flexneri 1c 4
Contact 2 S. flexneri 1c 3
Contact 3 S. flexneri 1c 2
Contact 3
 S. flexneri 1c
 4
Household 8
 Patient S. flexneri 4X 1 2
 Unrelated
Contact 1
 S. boydii 7
 2
Household 9
 Patient S. sonnei 1 1
 Indistinguishable
Contact 1 S. sonnei 1
Contact 1 S. sonnei 2
Contact 2
 S. sonnei
 2
Household 10
 Patient S. flexneri 1b 1 3
 Closely related
Contact 1 S. flexneri 1b 1
Contact 1 S. flexneri 1b 2
Contact 1 S. flexneri 1b 3
Contact 2
 S. flexneri 1b
 1
Household 11
 Patient S. flexneri 2a 1 1
 Indistinguishable
Contact 1 S. flexneri 2a 3
Contact 1 S. flexneri 2a 4
Contact 2
 S. flexneri 2a
 3
Household 12
 Patient S. flexneri 3a 1 1
 Indistinguishable
Contact 1 S. flexneri 3a 4
Contact 2 S. flexneri 3a 4
Contact 3
 S. flexneri 3a
 2
Household 13
 Patient S. sonnei 1 2
 Closely related
Contact 1 S. sonnei 2
Contact 1
 S. sonnei
 3
Household 14
 Patient S. sonnei 1 1
 Indistinguishable
Contact 1 S. sonnei 1
Contact 1
 S. sonnei
 2
Household 15
 Patient S. flexneri 2a 1 2
 Closely related
Contact 1 S. flexneri 2a 1
Contact 2
 S. flexneri 2a
 1
Household 16
 Patient S. sonnei 1 1
 Indistinguishable
Contact 1 S. sonnei 4
Contact 2
 S. sonnei
 4
*Excluding household contact with different Shigella species. PFGE, pulsed-field gel electrophoresis. 
†Strain relatedness determined by using criteria in (19).

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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