Title
Human seroreactivity against **Bartonella** species in the Democratic Republic of CongoHuman seroreactivity against **Bartonella** species in the Democratic Republic of Congo
Author
Faculty/Department
Faculty of Sciences. Biology
Research group
Evolutionary ecology group (EVECO)
Department of Biology
Publication type
article
Publication
Subject
Biology
Human medicine
Source (journal)
Asian Pacific journal of tropical medicine
Volume/pages
4(2011):4, p. 320-322
ISSN
1995-7645
ISI
000294077800014
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Objective To assess the presence and identity of Bartonella species in a pool of human blood samples from DRC Congo. Methods Blood (±120μL) was collected anonymously from Congolese patients and placed on calibrated filter papers. Bartonella serology determination was performed using an indirect immunofluorescence assay (IFA) against six specific Bartonella antigens and Coxiella burnetii (C. burnetii) antigen. The end cut-off value for Bartonella sp. was a titre greater than 1:200. Results None of the patients was positive for Bartonella elizabethae, Bartonella vinsonii subsp. vinsonii or Bartonella vinsonii subsp. arupensis nor for C. burnetti, but 4.5% of the 155 samples were positive for either Bartonella henselae, Bartonella quintana, or Bartonella clarridgeiae. Conclusions This preliminary study presents the first report of Bartonella species in the DR Congo and the first report of antibodies to Bartonella clarridgeiae in an African human population. Although few experimental trials have established the link between fleas and Bartonella transmission, the repeated detection of similar Bartonella species in fleas and humans in several countries suggests that Bartonellosis could be another flea-borne disease which specific reservoirs are still unknown.
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