Domestic dogs are mammalian reservoirs for the emerging zoonosis flea-borne spotted fever, caused by Rickettsia felis.

Scientific Reports
Dinh Ng-NguyenRebecca Justine Traub

Abstract

Rickettsia felis is an obligate intracellular bacterium that is being increasingly recognized as an etiological agent of human rickettsial disease globally. The agent is transmitted through the bite of an infected vector, the cat flea, Ctenocephalides felis, however there is to date, no consensus on the pathogen's vertebrate reservoir, required for the maintenance of this agent in nature. This study for the first time, demonstrates the role of the domestic dog (Canis familiaris) as a vertebrate reservoir of R. felis. The ability of dogs to sustain prolonged periods of rickettsemia, ability to remain asymptomatically infected with normal haematological parameters and ability to act as biological vehicles for the horizontal transmission of R. felis between infected and uninfected fleas provides indication of their status as a mammalian reservoir of this emerging zoonosis.

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Citations

Jan 4, 2021·Ticks and Tick-borne Diseases·Sokani Sánchez-MontesIngeborg Becker
Nov 20, 2020·Parasites & Vectors·Md Monirul HoqueChengming Wang
Nov 19, 2020·Journal of Vector Ecology : Journal of the Society for Vector Ecology·Estefanía Abreu-YanesPilar Foronda
Feb 13, 2021·Research and Reports in Tropical Medicine·Maria A Caravedo MartinezLucas S Blanton
Mar 27, 2021·Pathogens and Disease·Monika DanchenkoKevin R Macaluso

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