Norovirus Infections in Asymptomatic Food Handlers in Elementary Schools without Norovirus Outbreaks in Some Regions of Incheon, Korea

Yu, Jun-Hwan; Kim, Na-Yeon; Lee, Eunjung; Jeon, In-sang

doi:10.3346/jkms.2011.26.6.734

Cited by 25 publications

(11 citation statements)

References 20 publications

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“…According to a previous study by Yu et al , 3.4% (26/776) of asymptomatic food handlers were positive for NoV in elementary schools with no NoV outbreaks. The study revealed that the infection source for NoV outbreaks may be related to asymptomatic food handlers (30) . Jeong et al also reported similar results.…”

Section: Food-borne Outbreak and Sporadic Casesmentioning

confidence: 96%

Molecular epidemiology of norovirus in South Korea

Lee¹,

Cho²,

Paik³

2015

BMB Reports

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Norovirus is a major cause of viral gastroenteritis and a common cause of foodborne and waterborne outbreaks. Norovirus outbreaks are responsible for economic losses, most notably to the public health and food industry field. Norovirus has characteristics such as low infectious dose, prolonged shedding period, strong stability, great diversity, and frequent genome mutations. Besides these characteristics, they are known for rapid and extensive spread in closed settings such as hospitals, hotels, and schools. Norovirus is well known as a major agent of food-poisoning in diverse settings in South Korea. For these reasons, nationwide surveillance for norovirus is active in both clinical and environmental settings in South Korea. Recent studies have reported the emergence of variants and novel recombinants of norovirus. In this review, we summarized studies on the molecular epidemiology and nationwide surveillance of norovirus in South Korea. This review will provide information for vaccine development and prediction of new emerging variants of norovirus in South Korea. [BMB Reports 2015; 48(2): 61-67]

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Section: Food-borne Outbreak and Sporadic Casesmentioning

confidence: 96%

Molecular epidemiology of norovirus in South Korea

Lee¹,

Cho²,

Paik³

2015

BMB Reports

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“…Most NoV outbreaks are caused by the GII/4 genotype (5,6). Several large NoV related outbreaks in hospitalized patients with AGE have been confirmed in Korea since 2003 (7)(8)(9).…”

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confidence: 99%

Characterization of norovirus infections in Seoul, Korea

Park

Jung

et al. 2012

Microbiology and Immunology

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The present study has determined the detection rate of norovirus (NoV) with acute gastroenteritis (AGE) in hospitalized children and describes the molecular epidemiology of NoV circulating in Seoul, Korea. Six hundred and eighty-three (9.8%) of samples were positive for NoV. Of these, the NoV GII genogroup was the most commonly found, with a prevalence of 96.2% (683 of 710). Only 27 samples were positive for the NoV GI genogroup. Ten kinds of GI genotype (GI/1, GI/2, GI/3, GI/4, GI/5, GI/6, GI/7, GI/9, GI/12, and GI/13) and eight kinds of GII genotype (GII/2, GII/3, GII/4, GII/8, GII/14, GII/15, GII/16, and GII/17) were identified in children with AGE during the years 2008-2011.

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“…NoV infections frequently result from person-to-person transmission in cruise ships, restaurants, hotels, nursing homes, schools, and hospitals (3,4). In addition, NoVs have been detected in environmental samples as well as in contaminated foods such as oysters, shellfish, sandwiches, salads, and even ice (2,5).…”

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confidence: 99%