Abstract

Reservoirs and vectors of bartonellae and rickettsiae in New Caledonia. Bartonellosis and rickettsiosis are vector-borne infections often asymptomatic in animals. In order to identify potential sources and vectors of Bartonella spp. and Rickettsia spp. infection in New Caledonia, we collected blood samples from 64 dogs, 8 cats, 30 cattle, 25 horses and 29 wild deer (Rusa timorensis). 329 associated blood-sucking parasites were also collected. We isolated four strains of Bartonella henselae from cats (50%) and six of Bartonella chomelii from cattle (20%). Deers (31%) were infected by Bartonella aff. schoenbuchensis. Rickettsia felis was detected in 81 % of 21 fleas collected from dogs and Bartonella clarridgeiae in 1% of fleas. Our data confirmed that Bartonella and Rickettsia infections could be an increasing public health concern in Oceania and showed the interest of new molecular diagnostic tools for understanding these diseases.

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