Virus ?Tamdy? ? A new arbovirus, isolated in the Uzbec S.S.R. and Turkmen S.S.R. from ticksHyalomma asiaticum asiaticum Schulce et Schlottke, 1929, andHyalomma plumbeum plumbeum Panzer, 1796

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Abstract
Summary Eleven virus strains were isolated from ticksHyalomma asiaticum asiaticum Schulce et Schlottke, 1929, andHyalomma plumbeum plumbeum Panzer, 1796, collected in 1971–1974 in desert regions of the Uzbec S.S.R. and the Turkmen S.S.R. According to CF test the strains were closely related to each other and not antigenically connected with viruses from antigenic groups A, B, California, CHF-Congo, Bakau, Bunyamwera, Ganjam, Kaisodi, Qalyub, Kemerovo, Quaranfil, Simbu, Turlock, Hughes, Uukuniemi, Tete and 21 ungrouped viruses isolated from ticks. The virus was named “Tamdy” after the place of isolation of a prototype strain LEIV-1308 Uz. The virus does not agglutinate goose erythrocytes, it is pathogenic for suckling mice and 3 weeks old mice by intracerebral infection. Replication of a virus with CPE in cell cultures—L, Rh, A1—and without CPE—in pig embryo kidney cell cultures—was demonstrated. According to ultra-filtration and electron microscope data the size of the virus is about 90 nm. It is rather sensitive to lipid solvents and is an RNA-virus. Morphologically the virus resembles the Bunyaviridae.