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. 2022 Apr:83:101769.
doi: 10.1016/j.cimid.2022.101769. Epub 2022 Feb 13.

A serosurvey for spotted fever group Rickettsia and Coxiella burnetii antibodies in rural dogs and foxes, Chile

S Di Cataldo  1 , A Cevidanes  2 , C Ulloa-Contreras  3 , E Hidalgo-Hermoso  4 , V Gargano  5 , J Cabello  6 , I Sacristán  7 , C Napolitano  8 , D Gambino  5 , D Vicari  5 , J Millán  9
Affiliations

A serosurvey for spotted fever group Rickettsia and Coxiella burnetii antibodies in rural dogs and foxes, Chile

S Di Cataldo et al. Comp Immunol Microbiol Infect Dis. 2022 Apr.

Abstract

Antibodies against Spotted Fever Group (SFG) Rickettsia and Coxiella burnetii, investigated through indirect antibody immunofluorescence tests, were detected in serum samples from 3.1% and 0% of 358 rural dogs, respectively, and in none of 32 wild foxes tested. SFG Rickettsia seropositive dogs were only detected in the Mountain Desert (8%) and the Steppe-Mediterranean (9%) regions. Exposure in the Mountain Desert, where no ticks and fleas were found on any dog, could correspond to a new SFG Rickettsia sp. recently described in soft ticks or to a related agent. Our survey confirms low endemicity in the country of C. burnetii, as observed in recent serosurveys in humans.

Keywords: Legionellales; Rickettsiales; Serosurvey; South America; Tick-borne; Zoonosis.

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