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Volume 10, Number 12—December 2004


First Human Cases of Tickborne Encephalitis, Norway

Tone Skarpaas*Comments to Author , Unn Ljøstad*, and Anders Sundøy*
Author affiliations: *Sørlandet Hospital Kristiansand, Kristiansand, Norway; Tickborne Encephalitis, Norway

Main Article

Table 1

Characteristics of patients with tickborne encephalitis, Norway, 1997–2003

Date Patient no. Age Sex Symptoms/neurologic disturbances Disease duration
08/1997 1 42 Male Biphasic course. Headache, nausea, vomiting, 
migrating myalgia/hyperreflexia. 1 mo
08/1998 2 72 Male Fever, nausea, vomiting, confusion, speech disturbance/somnolence, mental disturbance, vertigo, bilateral ptosis, paresis of eye muscles, light throat paresis, paresis of the left shoulder Sequela >1 y
10/1999 3 60 Male Fever, headache/normal organ status 1 month
10/2000 4 67 Male Fever, headache, nausea, vomiting/confusion, 
cognitive dysfunction. Cognitive dysfunctions 
in 2–3 mo
10/2000 5 43 Female Biphasic course. Fever, headache, nausea, vomiting/diplopia, ataxia. 1 mo
06/2002 6 62 Male Fever, headache, nausea/ataxia. 2 mo
07/2002 7 53 Male Fever, headache, nausea, vomiting/paresthesia, ataxia Cognitive dysfunctions 
in months
10/2003 8 74 Male Headache, nausea, vomiting, altered personality, irritability, verbal aggressiveness/confusion, and ataxia. 4–5 mo

Main Article