Survey for Tick-Borne Zoonoses in the State of Espirito Santo, Southeastern Brazil
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2010-07-01
Autores
Spolidorio, Mariana G.
Labruna, Marcelo B.
Machado, Rosangela Z. [UNESP]
Moraes-Filho, Jonas
Zago, Augusto M.
Donatele, Dirlei M.
Pinheiro, Sonia R.
Silveira, Iara
Caliari, Kesia M.
Yoshinari, Natalino H.
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Amer Soc Trop Med & Hygiene
Resumo
Blood samples collected from 201 humans, 92 dogs, and 27 horses in the state of Espirito Santo, Brazil, were tested by polymerase chain reaction, indirect immunofluorescence assays, and indirect enzyme-linked immunosorbent assay for tick-borne diseases (rickettsiosis, ehrlichiosis, anaplasmosis, borreliosis, babesiosis). Our results indicated that the surveyed counties are endemic for spotted fever group rickettsiosis because sera from 70 (34.8%) humans, 7 (7.6%) dogs, and 7 (25.9%) horses were reactive to at least one of the six Rickettsia species tested. Although there was evidence of ehrlichiosis (Ehrlichia canis) and babesiosis (Babesia cams vogeli, Theileria equi) in domestic animals, no human was positive for babesiosis and only four individuals were serologically positive for E. canis. Borrelia burgdorferi-serologic reactive sera were rare among humans and horses, but encompassed 51% of the canine samples, suggesting that dogs and their ticks can be part of the epidemiological cycle of the causative agent of the Brazilian zoonosis, named Baggio-Yoshinari Syndrome.
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American Journal of Tropical Medicine and Hygiene. Mclean: Amer Soc Trop Med & Hygiene, v. 83, n. 1, p. 201-206, 2010.