About: Abstract The documentation of several recent outbreaks of human virus diseases associated with the consumption of shellfish has reiterated the threat posed by these agents to the shellfish industry. This article reviews pertinent outbreaks, identifies principal viral agents involved, and delineates systems which may be at greatest risk. The results of two recent laboratory studies which sought to define environmental factors that contribute to virus accumulation by shellfish are also discussed. First, the accumulation of environmentally significant levels of feces-associated and monodispersed poliovirus by oysters (Crassostrea virginica) and clams (Mercenaria mercenaria) was investigated. The results of this study suggested that virus accumulation by mollusks may not be significant when water column concentrations are below ⋍0.01 plaque-forming units (PFU) per milliliter. The second study focused on the relative contributions of undisturbed sediments versus those in the water column in the accumulation of viruses by epifaunal and infaunal shellfish (C. virginica and M. mercenaria). Viruses were found to be most efficiently accumulated when suspended in the water column.

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About: Abstract The documentation of several recent outbreaks of human virus diseases associated with the consumption of shellfish has reiterated the threat posed by these agents to the shellfish industry. This article reviews pertinent outbreaks, identifies principal viral agents involved, and delineates systems which may be at greatest risk. The results of two recent laboratory studies which sought to define environmental factors that contribute to virus accumulation by shellfish are also discussed. First, the accumulation of environmentally significant levels of feces-associated and monodispersed poliovirus by oysters (Crassostrea virginica) and clams (Mercenaria mercenaria) was investigated. The results of this study suggested that virus accumulation by mollusks may not be significant when water column concentrations are below ⋍0.01 plaque-forming units (PFU) per milliliter. The second study focused on the relative contributions of undisturbed sediments versus those in the water column in the accumulation of viruses by epifaunal and infaunal shellfish (C. virginica and M. mercenaria). Viruses were found to be most efficiently accumulated when suspended in the water column. Goto Sponge NotDistinct Permalink

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type	abstract
value	Abstract The documentation of several recent outbreaks of human virus diseases associated with the consumption of shellfish has reiterated the threat posed by these agents to the shellfish industry. This article reviews pertinent outbreaks, identifies principal viral agents involved, and delineates systems which may be at greatest risk. The results of two recent laboratory studies which sought to define environmental factors that contribute to virus accumulation by shellfish are also discussed. First, the accumulation of environmentally significant levels of feces-associated and monodispersed poliovirus by oysters (Crassostrea virginica) and clams (Mercenaria mercenaria) was investigated. The results of this study suggested that virus accumulation by mollusks may not be significant when water column concentrations are below ⋍0.01 plaque-forming units (PFU) per milliliter. The second study focused on the relative contributions of undisturbed sediments versus those in the water column in the accumulation of viruses by epifaunal and infaunal shellfish (C. virginica and M. mercenaria). Viruses were found to be most efficiently accumulated when suspended in the water column.
subject	Virology Viruses Aquaculture Public health Health policy »more»
part of	Public health considerations associated with molluscan aquaculture systems: Human viruses
is abstract of	Public health considerations associated with molluscan aquaculture systems: Human viruses
is hasSource of	covid:ann/target/ce3ce1e92d6e3d1c1555536b672d72de70e55c29 covid:ann/target/455cc6fd8c8759ad1653aa9984cf242c6b06d2ca covid:ann/target/470edb12483f91310ed525b6c38221410b96f5e5 covid:ann/target/e525f9dbccf647f515b6343ddd042f7265acb927 covid:ann/target/170de385b57cb830d66381509c1587a4088c3a4e »more»

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