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Effect of Heat Treatment on Male specific Coliphage and Norovirus Concentrations in Norovirus Contaminated Oyster Crassostrea gigas
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 Title & Authors
Effect of Heat Treatment on Male specific Coliphage and Norovirus Concentrations in Norovirus Contaminated Oyster Crassostrea gigas
Park, Kunbawui; Park, Yong Su; Kwon, Ji Young; Yu, Hong Sik; Lee, Hee Jung; Kim, Ji Hoe; Lee, Tae Seek; Kim, Poong Ho;
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Noroviruses (NoV) are known to cause acute epidemic gastroenteritis worldwide. Outbreak strains are predominantly genogroup I (GI) and genogroup II (GII) in oysters Crassostrea gigas. We investigated the changes in concentration of male specific coliphage (MSC) and NoV under heat treatment of the naturally contaminated oyster, Crassostrea gigas. After heat treatment for 5 min in , no viable MSC was detected. The concentrations of GI and GII NoV decreased by 1.65 log and 2.25 log, respectively, following heat treatment for 5 min at . Moreover, both GI and GII NoV were completely deactivated by heat treatment for 10 min at . Therefore, in order to reduce the risk of norovirus infection from contaminated oysters, immersion in boiling water for at least 10 min is recommended.
Heat-treatment;Male specific coliphage;Norovirus;Oyster;
 Cited by
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