Table 1.

Clinical symptoms presented in TBE patients

Data	Group 1·11 patients (%)	Group 2·14 patients (%)	Group 3·4 patients (%)
Headache	100	100	100
Fever (38–40°C)	100	100	100
General malaise	18	28	100
Muscle pains	36	28	0
Weakness of muscles of the upper body	18	14	0
Joints pains	36	28	0
Nausea and vomiting	18	21	0
Dizziness	27	21	0
Nuchal rigidity	27	21	0
Disturbances of concentration and memory	9	0	0
Mild disturbance of balance.	18	21	0