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1.
Clin Infect Dis ; 73(11): e3701-e3707, 2021 12 06.
Artigo em Inglês | MEDLINE | ID: mdl-32564069

RESUMO

BACKGROUND: Norovirus is the etiology for about 60% of foodborne outbreaks identified in Minnesota. Contamination of food during preparation by food handlers is by far the most common cause of these outbreaks. Norovirus outbreaks due to commercially distributed foods are rarely reported in the United States, and only 2 have been previously identified in Minnesota, both due to oysters. METHODS: In August 2016, we investigated an outbreak of norovirus gastroenteritis in Minnesota that was linked to consumption of commercially distributed ice cream at multiple venues. Sanitarians from local public health agencies visited the facilities involved for follow-up, and case-control studies were conducted. The outbreak was identified by linking multiple independent illness reports to a centralized foodborne illness complaint system and subsequently confirmed though genotyping of stool specimens. RESULTS: A total of 15 cases from 4 venues were reported. Raspberry chocolate chip ice cream was statistically associated with illness in 2 analytic studies (6 of 7 cases vs 0 of 7 controls; odds ratio, undefined; P = .005). Norovirus GII.17[P17] (GII.17 Kawasaki) strains from case stool specimens matched norovirus found in frozen raspberries imported from China that were used to make the implicated ice cream. CONCLUSIONS: To our knowledge, this is the first norovirus outbreak due to commercially distributed frozen berries identified in the United States. To detect norovirus outbreaks associated with commercially distributed food vehicles, investigators should thoroughly investigate all norovirus outbreaks (including stool testing and genotyping), coordinate complaint and response activities across agencies and jurisdictions, and consider testing food for norovirus when appropriate.


Assuntos
Infecções por Caliciviridae , Gastroenterite , Sorvetes , Norovirus , Rubus , Infecções por Caliciviridae/epidemiologia , Surtos de Doenças , Gastroenterite/epidemiologia , Humanos , Minnesota/epidemiologia , Norovirus/genética
2.
Emerg Infect Dis ; 19(8): 1293-6, 2013 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23876924

RESUMO

Norovirus is the leading cause of foodborne disease in the United States. During October 2011-January 2013, we conducted surveillance for norovirus infection in Minnesota among callers to a complaint-based foodborne illness hotline who reported diarrhea or vomiting. Of 241 complainants tested, 127 (52.7%) were positive for norovirus.


Assuntos
Infecções por Caliciviridae/epidemiologia , Doenças Transmitidas por Alimentos/epidemiologia , Norovirus/genética , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Infecções por Caliciviridae/virologia , Criança , Pré-Escolar , Monitoramento Epidemiológico , Feminino , Doenças Transmitidas por Alimentos/virologia , Linhas Diretas , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Minnesota/epidemiologia , Tipagem Molecular , Estações do Ano , Adulto Jovem
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