CHICAGO (Reuters) - Eighteen pork plant workers in Minnesota, at least five in Indiana and one in Nebraska have come down with a mysterious neurological condition they appear to have contracted while removing brains from slaughtered pigs, U.S. researchers and health officials said on Wednesday.
They said the illness is a new disorder that causes a range of symptoms, from inflammation of the spinal cord to mild weakness, fatigue, numbness and tingling in the arms and legs.
"As far as we are aware it is a brand new disorder," said Dr. Daniel Lachance of the Mayo Clinic in Rochester, Minnesota, who presented his findings at the American Academy of Neurology meeting in Chicago.
Lachance has been following the 18 Minnesota patients, all of whom have evidence of nerve involvement, typically affecting the legs.
He said tests showed patients had damage to the nerves at the root level near the spinal cord, and at the far reaches of their motor nerves, where the nerves connect with muscle.
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