Journal
JOURNAL OF INFECTIOUS DISEASES
Volume 208, Issue 2, Pages 295-298Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/infdis/jit148
Keywords
norovirus; disease outbreak; environmental contamination; diaper changing station
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Funding
- Emerging Infections Program, Centers for Disease Control and Prevention [3U01CI000306]
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We investigated an outbreak of norovirus infection affecting 12 of 16 auto dealership employees (75%) subsequent to a staff meeting. Take-out sandwiches initially seemed the likely source, but a cohort study found no association between illness and food consumption. Employees reported seeing a toddler with diarrhea in a dealership restroom shortly before the luncheon. Indistinguishable norovirus was isolated from employees and the child (genotype GII6.C) and from a diaper-changing station in the restroom (genogroup GII). Counterintuitively, this point-source outbreak following a meal was caused by environmental exposures, not food. Environmental exposures should be considered even in routine outbreak investigations.
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