The spill prompted the State of Louisiana to close nearby oyster beds in Plaquemines Parish.

因原油泄漏，路易斯安那州关闭了附近普拉克明教县的牡蛎层。

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That afternoon, Craigavon Area Hospital in County Armagh said it was suffering from an outbreak of the virus, but could not afford to close beds.

BBC: Virus heightens beds crisis

"Because we have an old hospital, with six-bedded bays, if one person has norovirus, you have to close six beds, " she said.

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Oyster beds close to shore clarified the water, which allowed marsh grasses to grow.

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