Katherine Newell, Kathryn Helfrich, Heidi Isernhagen, Martin Jones, Gabriela Stickel, Haley McKeel, Louisa Castrodale, Joseph McLaughlin
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引用次数: 0
Abstract
Objective: Clostridium perfringens and Bacillus cereus are common causes of reported foodborne illness. On August 6, 2021, the Alaska Division of Public Health identified a multipathogen gastrointestinal outbreak among hospital staff in Homer, Alaska. The objectives of this study were to identify the outbreak source and prevent future illness.
Methods: We conducted a retrospective cohort study of hospital staff who participated in luncheon events during August 5-7, 2021, and used an online survey to identify hospital staff with gastrointestinal illness. We defined case patients as people who reported new-onset gastrointestinal illness (diarrhea or abdominal cramping) after food consumption during the luncheon events. We calculated adjusted odds ratios of gastrointestinal illness associated with reported food exposures. We tested available food samples for C perfringens and B cereus and tested case patient stool specimens for C perfringens. We conducted an environmental investigation at the implicated vendor site.
Results: Of 202 survey responses, 66 (32.7%) people reported acute gastrointestinal illness: 64 (97.0%) reported diarrhea, 62 (94.9%) reported abdominal cramps, and none were hospitalized. Of 79 people who consumed ham and pulled pork sandwiches, 64 (81.0%) met the case definition; this food item was significantly associated with increased odds of gastrointestinal illness (adjusted odds ratio = 296.4; 95% CI, 76.7-2019.1). C perfringens and B cereus were isolated at confirmatory levels from sandwich samples. C perfringens enterotoxin was detected in all 5 stool specimens tested. Environmental investigators observed other food items at the sandwich vendor that were refrigerated outside the required temperature range (>41 °F); no clear handling deficiencies for the implicated food were identified.
Conclusion: Quick notification and effective collaboration can help detect an outbreak, identify the responsible food vehicle, and mitigate further risk.
期刊介绍：
Public Health Reports is the official journal of the Office of the U.S. Surgeon General and the U.S. Public Health Service and has been published since 1878. It is published bimonthly, plus supplement issues, through an official agreement with the Association of Schools and Programs of Public Health. The journal is peer-reviewed and publishes original research and commentaries in the areas of public health practice and methodology, original research, public health law, and public health schools and teaching. Issues contain regular commentaries by the U.S. Surgeon General and executives of the U.S. Department of Health and Human Services and the Office of the Assistant Secretary of Health.
The journal focuses upon such topics as tobacco control, teenage violence, occupational disease and injury, immunization, drug policy, lead screening, health disparities, and many other key and emerging public health issues. In addition to the six regular issues, PHR produces supplemental issues approximately 2-5 times per year which focus on specific topics that are of particular interest to our readership. The journal''s contributors are on the front line of public health and they present their work in a readable and accessible format.
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