[Antigenemia and circulation of specific immune complexes in the asymptomatic course of tick-borne encephalitis].

The frequency of the detection of tick-borne encephalitis (TBE) virus antigens, carried out by the method of fluorescent antibodies with the use of erythrocytic immunosorbent, in the blood of persons bitten by virus-carrying ticks, but with no signs of the clinical manifestation of the infection changed from 5.7 +/- 2.4% to 13.