Spotted-fever-caused Rickettsia rickettsii infection is in Brazil the major tick-borne zoonotic
disease. Recently, a second and milder human rickettsiosis caused by an agent genetically …

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) …

Tickborne rickettsial diseases continue to cause severe illness and death in otherwise
healthy adults and children, despite the availability of low-cost, effective antibacterial …

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 …

Rickettsia parkeri rickettsiosis is recognized as the second most prevalent tick-borne
disease caused by spotted fever group rickettsiae in the Americas, where two pathogenic …

Abstract Brazilian Spotted Fever (BSF) is a zoonotic disease caused by the bacterium
Rickettsia rickettsii. In the São Paulo Metropolitan Region (SPMR) it is transmitted by …

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 …

Ticks are blood-sucking arthropods that attach to human skin through oral devices causing
diverse initial cutaneous manifestations, and may also transmit serious infectious diseases …

African tick-bite fever (ATBF), caused by Rickettsia africae, is the main tick-borne rickettsiosis
and the second most frequent cause of fever after malaria in travelers returning from sub …

Febre maculosa é uma doença infecciosa caracterizada por febre, com formas leves e
atípicas até formas graves, e, quando não tratada adequadamente, pode apresentar taxa de …