Complications

Complication
Timeframe
Likelihood
short term
medium

Occurs in 30% of infected patients.[10] Long-term sequelae may include headache, concentration difficulties, memory impairment, ataxia, tremor, and emotional instability.[13]

short term
low

Occurs in 6% of infected patients.[10] Physiotherapy and other long-term supportive treatments may be indicated.[4]

short term
low

The mortality rate is 1% in patients with Western/European virus infections, and up to 8% in patients with (Ural-) Siberian virus infections.[8][15]​​​​​ Early treatment with aciclovir and adequate supportive critical care can decrease mortality associated with TBE.

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