[epidemiologic features of mediterranean spotted fever in portugal].mediterranean spotted fever (msf) is a tick-borne rickettsial disease. it is endemic in portugal and ricardo jorge recognized it in 1930. rhipicephalus sanguineus is the main vector and reservoir of the disease. in portugal the etiologic agents are two strains of rickettsia conorii complex: r. conorii malish and "israeli tick typhus". msf is clinically characterized by a vasculitis process with the classical clinical triad of fever, rash, and lesion at the site of tick bite. although the majorit ...200315631855
rickettsia conorii israeli tick typhus strain isolated from rhipicephalus sanguineus ticks in portugal.this report describes the first establishment of five isolates of r. conorii israeli tick typhus (itt) strain from rhipicephalus sanguineus ticks in different regions of portugal. ticks were collected on two separate expeditions that took place in bragança, montesinho natural park, and portalegre city.200717767403
ticks and tick-borne rickettsiae surveillance in montesinho natural park, portugal.this study constitutes the first contribution to the knowledge of tick dynamics and its implication in the epidemiology of rickettsial diseases in montesinho natural park (mnp), bragança district of portugal. of 76 ticks collected, 12 (15.8%) were dermacentor (d.) marginatus, 36 (47.4%) d. reticulatus, and 28 (36.8%) rhipicephalus (r.) sanguineus. isolation assays were performed by shell-vial technique on 41 ticks. israeli spotted fever strain was an isolate from r. sanguineus, and three isolate ...200617114695
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