Check for symptoms

Signs and symptoms of TBE

For most people infected with the TBE virus, there are no symptoms. But if there are, they usually appear in two phases.1 

First Stage TBE Symptoms

In the first phase, people have flu-like symptoms including muscle pain, headache, fatigue and a peak temperature between 37.5ºC and 39ºC for 2 to 7 days.1 Then, there is a period of 2 to 10 days with no symptoms or mild symptoms, which is followed by the second phase.1

High fever

High Fever

Headache

Headache

Tiredness

Tiredness

Nausea

Nausea

Muscle spasms

Muscle Spasms

Second Stage TBE Symptoms

TBE is an infection of the central nervous system that affects the brain, spinal cord and membranes around them.1,2

With some people, the second phase can be serious. The second phase involves the neurological system with symptoms of meningitis and/or encephalitis.3 These symptoms may include a high fever, fatigue, headache, nausea, vomiting and vertigo.1

In severe cases, permanent paralysis can occur​​​​​​​1,4 and, in very rare cases, people may die.3

Long-term consequences of TBE

Long-term complications associated with TBE can include:2,4,5

Ataxia

Ataxia – a group of disorders that affect co-ordination, balance and speech

Seizures

Seizures

Paralysis

Paralysis

Loss of consciousness

Temporary and long-term loss of consciousness

35 to 58%

The long-term consequences of TBE can be serious: 35 to 58% of people with TBE develop what is known as post-encephalitic syndrome (PES), which causes serious long-term complications.1​​​​​​​