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A Liebisch

Publications and source records attributed to A Liebisch.

27 records · Page 2Linked to original sources

Rickettsiae of the spotted fever isolated from Dermacentor marginatus ticks in South Germany.

Rickettsiae of the spotted fever group were detected by haemocyte test in 8 (12%) of 51 partially engorged Dermacentor marginatus females collected in March/April 1975 in South Germany. Four strains of rickettsiae were isolated from ticks positive in haemocyte test. It was concluded with isolated strain BRD-1 and homologous immune guinea pig, hamster and mouse sera in CF cross reactions with antigens and immune sera against other members of the SF group, that the newly isolated strains are similar, almost undistinguishable from Rickettsia slovaca.

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[Prevalence of the ticks Dermacentor marginatus (Sulzer, 1776) and Dermacentor reticulatus (Fabricius, 1794) and their importance as vectors of diseases in Germany (author's transl)].

From a systematical study of German ticks resulted the occurrence of two tick species of the genus Dermacentor. D. marginatus is found to be widely spread in Southern Germany. Adults of the tick feed mainly on sheep. D. reticulatus is first described from Germany where the tick occurs endemic in a limited forest area on red deer. The two tick species are known from neighbouring countries of Germany in transmitting virus, rickettsiae, bacteriae and protozoa but are not yet well studied in Germany. Geiographical distribution and seasonal occurrence of D. marginatus indicates the role of the tick in the epidemiology of Q fever in Germany.

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