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 …

The abundance and activity of ectoparasites and its hosts are affected by various abiotic
factors, such as climate and other organisms (predators, pathogens and competitors) …

Background Spotted fever is a tick-borne rickettsial disease. In Brazil, its notification to the
Ministry of Health is compulsory. Since 2007, cases of spotted fever have been integrated to …

Background Brazilian spotted fever (BSF), caused by the bacterium Rickettsia rickettsii, is
the deadliest spotted fever of the world. In most of the BSF-endemic areas, capybaras …

Records of accidental parasitism by ticks in humans from Brazil are scarce, with most being
reported by researchers who are parasitized during their research and by professionals who …

Background: Rocky Mountain spotted fever (RMSF) is an increasingly important cause of
preventable mortality in children in Sonora, Mexico. Although early treatment with …

The present study was performed in Vila Itoupava, an area of the state of Santa Catarina,
southern Brazil, in which a tick-borne spotted fever illness has been endemic since 2003 …

Background Brazilian Spotted Fever (BSF), caused by the bacterium Rickettsia rickettsii, is
the tick-borne disease that generates the largest number of human deaths in the world. In …

Rocky Mountain spotted fever is endemic to the São Paulo metropolitan area, Brazil, where
the etiologic agent, Rickettsia rickettsii, is transmitted to humans by adult Amblyomma …

The aim of the study was to evaluate rickettsial infection in ticks from wild birds of the
Semidecidual and Atlantic Rainforest remnants of three municipalities of the State of Paraná …