'Unprecedented' shellfish poisoning leaves at least 20 people ill
!['Unprecedented' shellfish poisoning leaves at least 20 people ill](https://e3.365dm.com/24/06/1920x1080/skynews-oregon-shellfish_6571368.jpg?20240602041101)
An "unprecedented" outbreak of shellfish poisoning has forced the authorities in Oregon to close the entire state's coastline to mussel harvesting.
An "unprecedented" outbreak of shellfish poisoning has forced the authorities in Oregon to close the entire state's coastline to mussel harvesting.