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[The isolation and identification of the Sindbis virus from migratory birds in Estonia].

The data on isolation from birds and identification of two strains of alphaviruses in Estonia in the territory of Vilsandy natural reserve are presented. Electron microscopy of purified virions allowed the isolates to be classified into the family of togaviruses, and serological identification (neutralization test, CFT) using polyvalent sera and monoclonal antibody showed them to belong to Sindbis virus.