Volume 23, Number 10—October 2017
Dispatch
Mild Illness during Outbreak of Shiga Toxin−Producing Escherichia coli O157 Infections Associated with Agricultural Show, Australia
Bhakti R. Vasant
, 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
, 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
Table 1
Frequency of symptoms among persons, by age group, with cases of Shiga toxin−producing Escherichia coli illness associated with an agricultural show, Brisbane, Queensland, Australia, 2013
| Symptom (self reported) |
Age group, y. no. positive/no. responded (%) |
|||
| All |
1−4 |
5−14 |
>15 |
|
| Diarrhea | 48/50 (96) | 16/17 (94) | 15/15 (100) | 17/18 (94) |
| Bloody diarrhea* | 19/46 (41) | 1/16 (6) | 7/13 (54) | 11/17 (65) |
| Abdominal pain | 37/40 (93) | 12/14 (86) | 9/9 (100) | 16/17 (94) |
| Fever | 14/44 (32) | 6/16 (38) | 4/14 (29) | 4/14 (29) |
*Older children and adults were significantly more likely to report bloody diarrhea than children <5 years of age (p = 0.001 by χ2 test for linear trend).
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