Seoul virus is a type of hantavirus. It is carried and spread by rodents, specifically the brown or Norway rat (Rattus norvegicus). The virus has been found in both pet rats and wild rat populations around the world. Symptoms of the illness caused by Seoul virus usually begin within 1 to 2 weeks after contact with infectious material and may include fever, headache, back and abdominal pain, chills, nausea, blurred vision, flushing of the face, inflammation or redness of the eyes, and rash. Rarely, it may take up to 8 weeks to develop symptoms. There is no specific treatment for people with Seoul virus.
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