[Isolation of an arbovirus antigenically related to Issyk-Kul virus from the blood of a human patient].

The first isolation from a human being of a virus strain antigenically related to Issyk-Kul virus is reported. The virus was isolated from a staff member of Dushanbe institute who had contracted the infection during field works carried out in the Kumsangir district of southern Tajikistan. The etiological role of the virus in the developing disease was confirmed by the examinations of paired sera in the complement fixation and neutralization tests.