RESUMEN
There has been recently a rise in referrals for Ixodes tick bites in the spring and summer periods in the Kamchatka Territory. Among the dominant tick species, there has been the taiga tick Ixodes persulcatus habiting the extensive areas of the southern and central parts of the peninsula. Examination of 84 I. persulcatus females collected from human beings and domestic animals in 2003 to 2007 detected DNA of the pathogens of tick-borne borreliosis (B. burgdorferi sensu lato), rickettsiasis (R. tarasevichiae and R. helvetica), and Ehrlichiosis/anaplasmosis (A. phagocytophilum). Tick-borne encephalitis RNA and antigens and babesiasis DNA were not found in the study samples. Despite the small number of taiga ticks in Kamchatka, the detection of the pathogens of various infectious diseases in the ticks suggests that there may be a risk for contamination of the peninsula's population with these pathogens.
Asunto(s)
Borrelia/aislamiento & purificación , Virus de la Encefalitis Transmitidos por Garrapatas/aislamiento & purificación , Ixodes/microbiología , Reacción en Cadena de la Polimerasa , Anaplasma/genética , Anaplasma/aislamiento & purificación , Animales , Babesia/genética , Babesia/aislamiento & purificación , Babesiosis/epidemiología , Proteínas de la Membrana Bacteriana Externa/análisis , Proteínas de la Membrana Bacteriana Externa/genética , Borrelia/genética , Infecciones por Borrelia/epidemiología , ADN Bacteriano/análisis , ADN Protozoario/análisis , Ehrlichiosis/epidemiología , Virus de la Encefalitis Transmitidos por Garrapatas/genética , Encefalitis Transmitida por Garrapatas/epidemiología , Monitoreo del Ambiente , Monitoreo Epidemiológico , Femenino , Humanos , Ixodes/virología , ARN Viral/análisis , Rickettsia/genética , Rickettsia/aislamiento & purificación , Infecciones por Rickettsia/epidemiología , Siberia/epidemiologíaRESUMEN
The focus of tularemia in the Ust-Kamchatsky region belongs probably to the flood-plain and swamp type with muskrats and tundra voles being the main carriers. In autumn 1980 for the first time three cultures were isolated in this region: 1 from a tundra vole and 2 from muskrats. The presence of antibodies to tularemia antigen in Norway rats was revealed in the passive hemagglutination test.
