(NaturalNews) A rare neurological disease has struck workers at a pork plant in Austin, Minnseota, sparking an investigation into what may have caused the outbreak.
Eleven employees at the Quality Pork Processors plant have contracted chronic inflammatory demyelinating polyneuropathy (CIDP) since last winter, suffering peripheral nervous system problems including muscle weakness, cramps, pain, tingling and stiffness.
"It started with a charley horse in my calf that wouldn't go away," said Susan Kruse, one of the first workers to be affected. "Then my hands and feet got sore and cold and numb. I had perfect
health before." She must now use a walker to move around, is easily fatigued and is unable to lift heavy objects.
Kruse was a worker in the "day kill area," carving meat out of the heads of dead pigs. Her work site was right next to a compressed air hose that was installed shortly before the
outbreak began. The hose was used to remove the
brain material of slaughtered pigs.
CIDP is believed to result from an autoimmune response, in which the body's immune system attacks the myelin sheath that insulates the nerves of the peripheral
nervous system. This leads to the wide variety of
symptoms typical of the disease. But it is unknown what exactly triggers this
immune response.
In the Quality Pork case, some health
experts have speculated that the air compression hose may have exposed workers to pulverized blood and brain tissue, triggering the autoimmune reaction. But this hypothesis is still preliminary.
The Minnesota Department of Health has initiated an
investigation into the cause of the outbreak at the
pork plant, but anticipates that it will be months before it has any conclusions.
The outbreak was first noticed by occupational health
nurses at the pork plant, who contacted local doctors when a large number of workers showed up with a strange suite of neurological symptoms. The nurses were connected with the Mayo Clinic in Rochester, where CIDP experts were able to identify the
disease.
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