Detection of hemorrhagic fever with renal syndrome (HFRS) virus in the lungs of bank voles Clethrionomys glareolus and redbacked voles Clethrionomys rutilus trapped in HFRS foci in the European part of U.S.S.R., and serodiagnosis of this infection in man.

The antigen of HFRS virus was demonstrated by means of the indirect fluorescent antibody procedure in the lung tissue of bank and redbacked voles (Clethrionomys glareolus, Cl. rutilus) trapped in HFRS foci in the European part of USSR. This antigen has been used satisfactorily for serodiagnosis of HFRS in several European and Asian regions of the USSR where HFRS had been found to be endemic.