Tick-borne rickettsioses are caused by obligate intracellular bacteria belonging to the
spotted fever group of the genus Rickettsia. These zoonoses are among the oldest known …

Ticks (Acari: Ixodidae) transmit a wide variety of pathogens to vertebrates including viruses,
bacteria, protozoa and helminthes. Tick-borne pathogens are believed to be responsible for …

Until the year 2000, only three Rickettsia species were known in South America:(i) Rickettsia
rickettsii, transmitted by the ticks Amblyomma cajennense, and Amblyomma aureolatum …

Dogs and people are exposed to and susceptible to infection by many of the same tick-
borne bacterial pathogens in the order Rickettsiales, including Anaplasma …

Data on genus and infectious by Rickettsia were retrospectively compiled from the critical
review literature regarding all countries in Latin America, Caribbean islands, Portugal and …

Canine vector-borne diseases (CVBDs) are highly prevalent in Brazil and represent a
challenge to veterinarians and public health workers, since some diseases are of great …

We report a clinical case of spotted fever group rickettsiosis acquired in São Paulo, Brazil.
Definitive diagnosis was supported by seroconversion between acute-phase and …

It has been two decades since the first description of Rickettsia felis, and although a nearly
cosmopolitan distribution is now apparent, much of the ecology of this unique …

Recently, a novel human rickettsiosis, namely Atlantic rainforest spotted fever, was
described in Brazil. We herein report results of a survey led around the index case in an …

This study investigated rickettsial infection in animals, humans, ticks, and fleas collected in
five areas of the state of São Paulo. Eight flea species (Adoratopsylla antiquorum …