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Potential vectors and hosts of rickettsia spp: epidemiological studies in the Vale do Paraíba, state of Rio de Janeiro/Brazil.

Brazilian spotted fever (BSF) is a rickettsiosis very 
similar to the Rocky Mountain spotted fever also 
caused by Rickettsia rickettsii, which is sustained in 
nature in a cycle involving vectors and mammals 
[1]. The state of Rio de Janeiro, with one of the 
highest population densities in Brazil, has one of 
the highest numbers of BSF cases. However, 
information about the epidemiology of this disease 
is lacking. The objectives of the present work 
were to analyse Rickettsia spp. in the host and 
vectors collected in municipalities of the Vale do 
Paraiba, where BSF fatal cases were recently 
recorded.