Volume 8, Number 4—April 2002
Dispatch
Salmonella enterica Serotype Enteritidis Phage Type 4b Outbreak Associated with Bean Sprouts
Yvonne THP van Duynhoven*
, Marc-Alain Widdowson*, Carolien M. de Jager*, Teresa Fernandes*, Sabine Neppelenbroek*, Winette van den Brandhof*, Wim J.B. Wannet*, Jan A. van Kooij†, Henk J.M. Rietveld‡, and Wilfrid van Pelt*
, Marc-Alain Widdowson*, Carolien M. de Jager*, Teresa Fernandes*, Sabine Neppelenbroek*, Winette van den Brandhof*, Wim J.B. Wannet*, Jan A. van Kooij†, Henk J.M. Rietveld‡, and Wilfrid van Pelt*
Table
Matched univariate analysis (24 pairs) of the association between Salmonella enterica serotype Enteritidis phage type 4b infection and various food items, the Netherlands, November–December, 2000
| Food item | Exposed case, unexposed control No. of pairs | Unexposed case, exposed control No. of pairs | Matched ORa (CI)b | % Cases exposed |
|---|---|---|---|---|
| Chicken | 8 | 2 | 3.0 (0.8-38.7) | 71 |
| Beef | 2 | 5 | 0.4 (0.04-2.4) | 71 |
| Fish | 6 | 3 | 2.0 (0.4-12.4) | 54 |
| Eggs | 4 | 2 | 2.0 (0.3-22.1) | 79 |
| Tomato | 9 | 3 | 3.0 (0.8-17.2) | 71 |
| Lettuce | 5 | 8 | 0.6 (0.2-2.2) | 50 |
| Alfalfa sprouts | 1 | 0 | Undefined | 4 |
| Cabbage | 5 | 5 | 1.0 (0.2-4.4) | 38 |
| Bean sprouts | 13 | 1 | 13.0 (2.0-552.5) | 58 |
| Cucumber | 6 | 4 | 1.5 (0.4-7.2) | 63 |
| Paprika | 6 | 4 | 1.5 (0.4-7.2) | 54 |
| Peppers | 4 | 0 | Undefined | 17 |
| Onion | 9 | 3 | 3.0 (0.8-17.2) | 67 |
| Carrots | 6 | 8 | 0.8 (0.2-2.5) | 46 |
| Parsley | 6 | 2 | 3.0 (0.5-30.4) | 38 |
| Celery | 7 | 2 | 3.5 (0.7-34.5) | 29 |
aMaximum Likelihood Estimate of odds ratio (OR).
bExact 95% confident limits for Maximum Likelihood Estimate of OR.
Page created: July 15, 2010
Page updated: July 15, 2010
Page reviewed: July 15, 2010
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.