All major outbreaks have been in Africa, though isolated cases have been reported outside the continent.
The patient, who is in isolation, was admitted to a hospital in Enköping - about 50 miles (80 kilometers) from Stockholm - before being transferred to Uppsala about 7 a.m. local time.
In a statement, Swedish officials said: "The emergency room at the hospital is therefore now closed".
The specialist test to determine whether the Ebola virus is present is expected to be completed by Friday evening. For now though, they remain cautiously optimistic.
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The Democratic Republic of Congo has been experiencing an Ebola outbreak for nearly six months, which has killed 356 of the 585 people infected. All three patients were hospitalized and none died.
Ebola is a viral haemorrhagic fever and symptoms include vomiting, diarrhoea, fever, sore throat, muscular pain, headaches and both internal and external bleeding. Dr. Ted Cieslak, who is an infectious disease specialist at the medical centers said in a statement on December 29, "the person may have been exposed to the virus but is not ill and is not contagious".
Think your friends would be interested? Other patients in need of emergency care are meanwhile advised to go to Uppsala University Hospital or Västmanland Hospital in Västerås.