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A woman eats an oyster at a seafood restaurant. Molluscs are dying off in huge numbers along the East Coast and in the Gulf of Mexico (Getty Images/iStock)
The health risks in the WHO assessment attributable to the Fukushima radioactivity release were calculated by largely applying the conservative Linear no-threshold model of radiation exposure, which assumes that even the smallest amount of radiation exposure has a negative health effect.
Acute radiation syndrome (ARS), also known as radiation sickness or radiation poisoning, is a collection of health effects that are caused by being exposed to high amounts of ionizing radiation in a short period of time. [1] Symptoms can start within an hour of exposure, and can last for several months.
Oyster farming is an aquaculture (or mariculture) practice in which oysters are bred and raised mainly for their pearls, shells and inner organ tissue, which is eaten. Oyster farming was practiced by the ancient Romans as early as the 1st century BC on the Italian peninsula [ 1 ] [ 2 ] and later in Britain for export to Rome.
People with compromised immune systems should avoid raw seafood, the CDC says.
Oysters are saltwater bivalve mollusks, known for being filter feeders, meaning that they get their nutrition from extracting algae and other tiny organisms from the water surrounding them.
With minor exposure, spontaneous recovery can thus be expected. In the relatively rare case of clinically significant respiratory paralysis, symptomatic treatment in the form of oxygen supplementation and/or mechanical ventilation should be employed until symptoms subside.
Vibrio vulnificus was the bacteria responsible for the oyster deaths this summer, but there are plenty of other bacteria, viruses, and foodborne illnesses linked to undercooked or raw seafood.