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Portuguese hosts for Ornithodoros erraticus ticks
Palma, Mariana; Lopes de Carvalho, Isabel; Osório, Hugo; Zé-Zé, Líbia; Cutler, Sally J.; Núncio, Maria SofiaThe hematophagous soft tick Ornithodoros erraticus feeds nocturnally on multiple warm-blooded vertebrate hosts. This tick is often found living buried in the soil of traditional pigpens. O. erraticus is an important infectious disease vector both for humans and animals. In the Iberian Peninsula, this tick serves as the vector of human tick-borne relapsing fever caused by the spirochete Borrelia hispanica. The n...
Detection of Rickettsia conorii strains in Portuguese dogs (Canis familiaris)
Alexandre, Nuno; Santos, Ana Sofia; Bacellar, Fátima; Boinas, Fernando Jorge; Núncio, Maria Sofia; de Sousa, RitaThis study reports a serological and molecular survey on the spotted fever group Rickettsia found in a group of 51 dogs with suspected tickborne illness from the south of Portugal. Additionally, a prevalence of IgG antibodies to R. conorii was also estimated in a group of 400 healthy dogs from the same region. In the group of healthy dogs, the immunofluorescence test revealed that 154 (38.5%) of the 400 dogs ha...
Rickettsia conorii Malish and Israeli spotted fever strains causing disease in ...
Alexandre, Nuno; Sousa, Rita; Santos, Ana Sofia; Nuncio, Maria Sofia; Boinas, Fernando; Bacellar, FátimaMediterranean spotted fever has the highest incidence in Portugak compared with opther endemic countries. However, few studies have been performed to understand the disease in the dogs, one of the most important host of Rhipicephalus sanguineus ticks, vector of Rickettsia conorii strains. Our main objective was to identify R. conorii as a cause of disease in dogs with clinical suspiction of tick-borne disease.
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