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rickettsia felis in xenopsylla cheopis, java, indonesia.rickettsia typhi and r. felis, etiologic agents of murine typhus and fleaborne spotted fever, respectively, were detected in oriental rat fleas (xenopsylla cheopis) collected from rodents and shrews in java, indonesia. we describe the first evidence of r. felis in indonesia and naturally occurring r. felis in oriental rat fleas.200616965716
arthropod-borne diseases in homeless.homeless people are particularly exposed to ectoparasite. the living conditions and the crowded shelters provide ideal conditions for the spread of lice, fleas, ticks, and mites. body lice have long been recognized as human parasites and although typically prevalent in rural communities in upland areas of countries close to the equator, it is now increasingly encountered in developed countries especially in homeless people or inner city economically deprived population. fleas are widespread but ...200617114713
rickettsia typhi and rickettsia felis in xenopsylla cheopis and leptopsylla segnis parasitizing rats in cyprus.fleas collected from rats during a three-year period (2000-2003) in 51 areas of all provinces of cyprus were tested by molecular analysis to characterize the prevalence and identity of fleaborne rickettsiae. rickettsia typhi, the causative agent of murine typhus, was detected in xenopsylla cheopis (4%) and in leptopsylla segnis (6.6%). rickettsia felis was detected in x. cheopis (1%). this is the first report of r. typhi in x. cheopis and l. segnis from rats, in cyprus, and the first report of r ...201021118938
urban focus of rickettsia typhi and rickettsia felis in los angeles, california.abstract classic murine typhus, caused by rickettsia typhi, is endemic in the continental united states in areas of texas and southern california. we conducted an environmental investigation in an urban area of los angeles identified as the probable exposure site for a case of murine typhus. four rattus norvegicus heavily infested with xenopsylla cheopis (average 32.5 fleas per animal, range 20-42) were trapped, and fleas, blood, and tissues were collected. dnas from all specimens were tested fo ...201021142968
rickettsial infections of fleas collected from small mammals on four islands in indonesia.ectoparasites were sampled from small mammals collected in west java, west sumatra, north sulawesi, and east kalimantan, indonesia, in 2007-2008 and were screened for evidence of infection from bacteria in the rickettsaceae family. during eight trap nights at eight sites, 208 fleas were collected from 96 of 507 small mammals trapped from four orders (379 rodentia; 123 soricomorpha; two carnivora; three scandentia). two species of fleas were collected: xenopsylla cheopis (n = 204) and nosopsyllus ...201021175069
cofeeding intra- and interspecific transmission of an emerging insect-borne rickettsial pathogen.cat fleas (ctenocephalides felis) are known as the primary vector and reservoir of rickettsia felis, the causative agent of flea-borne spotted fever; however, field surveys regularly report molecular detection of this infectious agent from other blood-feeding arthropods. the presence of r. felis in additional arthropods may be the result of chance consumption of an infectious bloodmeal, but isolation of viable rickettsiae circulating in the blood of suspected vertebrate reservoirs has not been d ...026414611
molecular detection of rickettsia felis and candidatus rickettsia asemboensis in fleas from human habitats, asembo, kenya.the flea-borne rickettsioses murine typhus (rickettsia typhi) and flea-borne spotted fever (fbsf) (rickettsia felis) are febrile diseases distributed among humans worldwide. murine typhus has been known to be endemic to kenya since the 1950s, but fbsf was only recently documented in northeastern (2010) and western (2012) kenya. to characterize the potential exposure of humans in kenya to flea-borne rickettsioses, a total of 330 fleas (134 pools) including 5 species (xenopsylla cheopis, ctenoceph ...201323675818
a molecular survey of anaplasma spp., rickettsia spp., ehrlichia canis and babesia microti in foxes and fleas from sicily.fleas (insecta: siphonaptera) are obligate bloodsucking insects, which parasitize birds and mammals, and are distributed throughout the world. several species have been implicated in pathogen transmission. this study aimed to monitor red foxes and the fleas isolated from them in the palermo and ragusa provinces of sicily, italy, as these organisms are potential reservoirs and vectors of pathogens. thirteen foxes (vulpes vulpes) and 110 fleas were analysed by polymerase chain reaction (pcr) to de ...201324589112
molecular evidence of vector-borne pathogens in dogs and cats and their ectoparasites in algiers, algeria.in algeria, only limited information is currently available on the prevalence of emergent canine and feline vector-borne diseases. the aim of the present work was to detect by qpcr vector-associated bacteria in stray dogs and cats and their ectoparasites from algiers. 18/117 (15.38%) dogs and 2/107 (1.87%) cats were positive for at least one vector-borne agent. coxiella burnetii and bartonella henselae were identified in 1/117 (0.85%) dog individually. ehrlichia canis dna was detected in 17/117 ...201627012917
molecular and serological evidence of flea-associated typhus group and spotted fever group rickettsial infections in madagascar.rickettsiae are obligate intracellular bacteria responsible for many febrile syndromes around the world, including in sub-saharan africa. vectors of these pathogens include ticks, lice, mites and fleas. in order to assess exposure to flea-associated rickettsia species in madagascar, human and small mammal samples from an urban and a rural area, and their associated fleas were tested.201728259176
detection of rickettsia felis, rickettsia typhi, bartonella species and yersinia pestis in fleas (siphonaptera) from africa.little is known about the presence/absence and prevalence of rickettsia spp, bartonella spp. and yersinia pestis in domestic and urban flea populations in tropical and subtropical african countries.201425299702
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