Summary
An account of the isolation of five Swedish virus strains belonging to the Russian Spring-Summer — Louping ill group is given. Four strains originated from ticks collected northeast of Stockholm, the fifth one from the acute phase serum of a case,of meningoencephalitis. Four of the five strains recovered in mice could also be isolated in cultures of Detroit-6 cells. A presumptive identification of the strains was performed by CF tests. The relationship of the strains to other viruses of the RSSE-LI group was shown in neutralization tests in mice and in tissue culture.
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Aided by a grant from the Swedish National Association against Poliomyelitis.
The skilful technical assistance of MissSiri Austrin is gratefully acknowledged
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von Zeipel, G. Isolation of viruses of the Russian spring-summer encephalitis-louping Ill group from Swedish ticks and from a human case of meningoencephalitis. Archiv f Virusforschung 9, 460–469 (1959). https://doi.org/10.1007/BF01242853
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DOI: https://doi.org/10.1007/BF01242853