Norovirus infection risk factors: Difference between revisions
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==Overview== | ==Overview== | ||
Noroviruses are transmitted directly via person to person or indirectly via contaminated water and foods. A [[Centers for Disease Control and Prevention|CDC]] study of eleven outbreaks in New York State lists the suspected [[Transmission (medicine)|mode of transmission]] as person-to-person in seven outbreaks, foodborne in two, waterborne in one, and one unknown. The source of waterborne outbreaks may include water from municipal supplies, wells, recreational lakes, swimming pools and ice machines. <ref name="pmid8395330">{{cite journal | Noroviruses are transmitted directly via person to person or indirectly via contaminated water and foods. A [[Centers for Disease Control and Prevention|CDC]] study of eleven outbreaks in New York State lists the suspected [[Transmission (medicine)|mode of transmission]] as person-to-person in seven outbreaks, foodborne in two, waterborne in one, and one unknown. The source of waterborne outbreaks may include water from municipal supplies, wells, recreational lakes, swimming pools and ice machines. <ref name="pmid8395330">{{cite journal | ||
|author=Hedberg CW, Osterholm MT | |author=Hedberg CW, Osterholm MT | ||
|title=Outbreaks of food-borne and waterborne viral gastroenteritis | |title=Outbreaks of food-borne and waterborne viral gastroenteritis | ||
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}}</ref> | }}</ref> | ||
Shellfish and salad ingredients are the foods most often implicated in Norwalk outbreaks. Ingestion of raw or insufficiently steamed clams and oysters poses a high risk for infection with the Norwalk virus. Foods other than shellfish are contaminated by ill food handlers.<ref name="pmid11479930">{{cite journal | * Shellfish and salad ingredients are the foods most often implicated in Norwalk outbreaks. Ingestion of raw or insufficiently steamed clams and oysters poses a high risk for infection with the Norwalk virus. Foods other than shellfish are contaminated by ill food handlers.<ref name="pmid11479930">{{cite journal | ||
|author=Parashar UD, Monroe SS | |author=Parashar UD, Monroe SS | ||
|title="Norwalk-like viruses" as a cause of foodborne disease outbreaks | |title="Norwalk-like viruses" as a cause of foodborne disease outbreaks | ||
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|issn= | |issn= | ||
}}</ref> | }}</ref> | ||
* People with histo-blood group antigens (HBGAs) which include H type, ABO blood group and Lewis antigens are increased risk of norovirus infection. | |||
== References == | == References == | ||
Revision as of 19:39, 12 February 2014
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Noroviruses are transmitted directly via person to person or indirectly via contaminated water and foods. A CDC study of eleven outbreaks in New York State lists the suspected mode of transmission as person-to-person in seven outbreaks, foodborne in two, waterborne in one, and one unknown. The source of waterborne outbreaks may include water from municipal supplies, wells, recreational lakes, swimming pools and ice machines. [1]
- Shellfish and salad ingredients are the foods most often implicated in Norwalk outbreaks. Ingestion of raw or insufficiently steamed clams and oysters poses a high risk for infection with the Norwalk virus. Foods other than shellfish are contaminated by ill food handlers.[2]
- People with histo-blood group antigens (HBGAs) which include H type, ABO blood group and Lewis antigens are increased risk of norovirus infection.
References
- ↑ Hedberg CW, Osterholm MT (1993). "Outbreaks of food-borne and waterborne viral gastroenteritis". Clin. Microbiol. Rev. 6 (3): 199–210. PMID 8395330.
- ↑ Parashar UD, Monroe SS (2001). ""Norwalk-like viruses" as a cause of foodborne disease outbreaks". Rev. Med. Virol. 11 (4): 243–52. doi:10.1002/rmv.321. PMID 11479930.