Publications

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subadult ixodes ricinus (acari: ixodidae) on rodents in berlin, west germany.to identify hosts that may serve as reservoirs for the agent of lyme disease in central europe, we determined whether ixodes ricinus l. feed most frequently on certain rodents and whether the abundance of these hosts corresponds to the season of feeding activity of the tick in four sites in berlin, federal republic of germany. in addition, we correlated abundance of i. ricinus with that of particular rodent hosts. two small rodents were more abundant than any others; a mouse, apodemus flavicolli ...19902332880
prevalence of borrelia burgdorferi in ixodes ricinus ticks in berlin (west).in 1986, 1711 nymphal and adult ixodes ricinus orginating from berlin (west) forests were examined individually or in pools of up to 10 ticks for the presence of borrelia burgdorferi, the etiologic agent of lyme borreliosis. detection of borreliae was carried out by means of a culture method using modified barbour-stoenner-kelly-medium (bsk ii). tick populations from 14 out of 15 locations contained positive specimens. the calculated minimal infection rate of pooled ticks was 2.5% in nymphs (n = ...19892929194
first isolation of borrelia burgdorferi, the agent of lyme borreliosis, from ixodes ricinus (acari: ixodidae) in berlin (west).in 1984, two human cases of tick-borne lyme borreliosis with considerable neurologic involvement were reported in berlin (west). the diagnosis of lyme borreliosis was serologically confirmed. the ticks which had transmitted the borrelia were from berlin (west). in the autumn of 1985, 156 ticks were collected in forests of berlin (west) for the cultural detection of spirochetes by using bsk ii medium. three strains of spirochetes were isolated (from a pooled sample of two nymphs, and samples of o ...19883213319
[incidence of borrelia burgdorferi in scale ticks ixodes ricinus (acari: ixodidae) in the brandenburg district]. 19948147027
diversionary role of hoofed game in the transmission of lyme disease spirochetes.to determine whether the presence of ungulates may inhibit transmission of the agent of lyme disease (borrelia burgdorferi) while promoting the abundance of its european vector tick (ixodes ricinus), we compared the feeding density of subadult ticks on roe deer (capreolus capreolus), red deer (cervus elaphus), fallow deer (dama dama), and wild sheep (ovis ammon) near berlin and in brandenburg state, germany. the prevalence of spirochetal infection in these ticks was compared with that in ticks s ...19938517488
pathogens and host dna in ixodes ricinus nymphal ticks from a german forest.unfed nymphs of ixodes ricinus were collected from vegetation in a forest on the outskirts of berlin, germany and were analyzed for host and pathogen dna. pathogens were detected in 47% of the ticks. borrelia afzelii was the commonest pathogen detected, followed by rickettsia helvetica. other pathogens included b. valaisiana, b. garinii, b. burgdorferi sensu stricto, anaplasma phagocytophilum, and a relapsing fever-like borrelia. most of the host dna detected was of rodent origin and was associa ...200617187573
evidence for an increased geographical distribution of dermacentor reticulatus in germany and detection of rickettsia sp. rpa4.two studies were performed to elucidate the current distribution of the tick dermacentor reticulatus in germany. in the first one in 2003, a total of 365 dogs from 171 sites in the states of berlin and brandenburg was screened for ticks, and the corresponding outdoor sites that the dogs usually visited were searched for host-seeking ticks by the flagging method. a total of 1155 ticks was removed from the dogs. the majority were ixodes ricinus (88.5%), followed by d. reticulatus (9.1%) and i. hex ...200616524777
occurrence of tick-borne encephalitis (tbe) virus in berlin (west).the main vector of central european tick-borne encephalitis (tbe), the hard tick ixodes ricinus, is very common in forests of berlin (west) all of which are frequently visited nearby recreation areas. while the presence of the causative agent, a flavivirus, has been demonstrated in all districts of the german democratic republic (gdr) there has been no corresponding investigation concerning berlin (west). in the present study, 4593 unengorged i. ricinus nymphs and adults were collected by the fl ...19882850694
[borrelia burgdorferi, clinical aspects, cultivation and identification of the pathogen in erythema migrans in berlin].among other manifestations, the following diseases caused by borrelia burgdorferi in europe are transmitted by ticks of the species ixodes ricinus: erythema migrans (em), lymphadenosis benigna cutis (lbc), lymphocytic meningo-radiculitis (bannwarth's syndrome), and acrodermatitis chronica atrophicans (aca). we report on a female patient, who developed em 10 days after a-tick bite in berlin. borrelia burgdorferi could be cultivated from a skin biopsy specimen taken from the periphery of the em. t ...19892678789
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