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Volume 23, Number 10—October 2017


Mild Illness during Outbreak of Shiga Toxin−Producing Escherichia coli O157 Infections Associated with Agricultural Show, Australia

Bhakti R. VasantComments to Author , Russell J. Stafford, Amy V. Jennison, Sonya M. Bennett, Robert J. Bell, Christine J. Doyle, Jeannette R. Young, Susan A. Vlack, Paul Titmus, Debra El Saadi, Kari A.J. Jarvinen, Patricia Coward, Janine Barrett, Megan Staples, Rikki M.A. Graham, Helen V. Smith, and Stephen B. Lambert
Author affiliations: Queensland Health, Brisbane, Queensland, Australia (B.R. Vasant, R.J. Stafford, A.V. Jennison, S.M. Bennett, R.J. Bell, C.J. Doyle, J.R. Young, S.A. Vlack, P. Titmus, D. El Saadi, K.A.J. Jarvinen, M. Staples, R.M.A. Graham, H.V. Smith, S.B. Lambert); University of Queensland, Brisbane (S.A. Vlack, S.B. Lambert); Queensland Treasury, Brisbane (P. Coward); Department of Agriculture and Fisheries, Brisbane (J. Barrett)

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Table 2

Clearance of STEC from stool samples of persons, by age group, during outbreak of Shiga toxin−producing Escherichia coli illness associated with an agricultural show, Brisbane, Queensland, Australia, 2013*

Characteristic All, n = 40 1−4 y, n = 12 5−14 y, n = 13 >15 y, n = 15
Median clearance, d (range) 18 (2–52) 29 (5–37) 23 (2–52) 12 (2–28)
Mean clearance, d (SD) 19 (12) 24 (9) 24 (12) 12 (9)

*Time to clearance was based on onset of diarrhea. STEC, Shiga toxin−producing Escherichia coli.

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