Publications

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potential roles of pigs, small ruminants, rodents, and their flea vectors in plague epidemiology in sinda district, eastern zambia.a cross-sectional study was conducted in the eastern part of zambia that previously reported a plague outbreak. the aim of the study was to evaluate the potential role of pigs, goats, and sheep as sero-surveillance hosts for monitoring plague, and to investigate the flea vectors and potential reservoir hosts to establish the current status of plague endemicity in the district. serum samples were collected from 96 rodents, 10 shrews, 245 domestic pigs, 232 goats, and 31 sheep, whereas 106 organs ...201728399281
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
seasonal and among-site variation in the occurrence and abundance of fleas on california ground squirrels (otospermophilus beecheyi).an improved understanding of the ecology of fleas on california ground squirrels, otospermophilus beecheyi, is warranted given the role of fleas in the transmission, and perhaps persistence, of the plague-causing bacterium yersinia pestis. we sampled o. beecheyi on a seasonal basis from three study sites, each representing a different land use type (preserve, pasture, and agriculture) in the san joaquin valley, ca. overall, the abundance of fleas on squirrels was greatest in spring at the preser ...201121635649
surveillance of egyptian fleas for agents of public health significance: anaplasma, bartonella, coxiella, ehrlichia, rickettsia, and yersinia pestis.serologic surveys in egypt have documented human and animal exposure to vector-borne bacterial pathogens, but the presence and distribution of these agents in arthropods has not been determined. between july 2002 and july 2003, fleas were collected from 221 mammals trapped in 17 cities throughout egypt. a total of 987 fleas were collected, representing four species (ctenocephalides felis, echidnophaga gallinacea, leptopsylla segnis, and xenopsylla cheopis); 899 of these fleas were x. cheopis fro ...200616837707
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