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Volume 11, Number 7—July 2005
Dispatch

Salmonella Agona Outbreak from Contaminated Aniseed, Germany

Judith Koch*Comments to Author , Annette Schrauder*, Katharina Alpers*, Dirk Werber*, Christina Frank*, Rita Prager†, Wolfgang Rabsch†, Susanne Broll*, Fabian Feil‡, Peter Roggentin§, Jochen Bockemühl§, Helmut Tschäpe†, Andrea Ammon*, and Klaus Stark*
Author affiliations: *Robert Koch Institute, Berlin, Germany; †Robert Koch Institute, Wernigerode, Germany; ‡Public Health Department, State of Lower Saxony, Hannover, Germany; §Institute for Hygiene and the Environment, Hamburg, Germany

Main Article

Table

Univariate analysis of exposure factors for Salmonella Agona infection among infants ≤13 months of age, Germany, October 2002–July 2003

Exposure Case-patients (n = 31)
Controls (n = 130)
No. (%) No. (%) Odds ratio 95% CI*
Any tea 30 (97) 67 (52) 28.2 3.7–213.1
Any herbal tea from tea bags 24 (77) 41 (32) 7.4 2.9–18.0
Tea from tea bags with aniseed 21 (68) 9 (7) 28.2 10.3–77.7
Tea from tea bags without aniseed 3 (10) 33 (25) 0.3 0.1–1.1
Instant tea 9 (29) 34 (26) 1.2 0.5–2.9
Breast feeding 6 (19) 67 (52) 0.2 0.1–0.7
Subgroup cases† (n = 24) Subgroup controls† (n = 41)
Always used boiling water for tea preparation 16 (67) 35 (85) 0.3 0.1–1.2

*CI, confidence interval.
†Subgroup analysis on case-patients and controls who drank tea made from tea bags.

Main Article

Page created: April 23, 2012
Page updated: April 23, 2012
Page reviewed: April 23, 2012
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