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Type: Artigo de periódico
Title: Spotted fever in Brazil: A seroepidemiological study and description of clinical cases in an endemic area in the state of Sao Paulo
Author: De Lemos, ERS
Alvarenga, FBF
Cintra, ML
Ramos, MC
Paddock, CD
Ferebee, TL
Zaki, SR
Ferreira, FCC
Ravagnani, RC
Machado, RD
Guimaraes, MAAM
Coura, JR
Abstract: During 1985-1995, illnesses clinically and epidemiologically compatible with Brazilian spotted fever were identified in 17 patients in the county of Pedreira, in the state of Sao Paulo, Brazil. Spotted-fever group rickettsial infection was confirmed by serology and/or immunostaining of tissues in 10 of these patients. Immunostaining confirmed infection in a 37-year-old pregnant patient, although rickettsial antigens were not demonstrable in the tissues of the fetus. A serosurvey was conducted in four localities in the county to determine the prevalence of subclinical or asymptomatic infections with spotted fever group rickettsiae. Five hundred and twenty-five blood samples were tested by an indirect immunofluorescence assay for antibodies reactive with Rickettsia rickettsii. Twenty-two (4.2%) of these samples demonstrated titers greater than or equal to 1:64. The results indicate that Brazilian spotted fever is endemic within this region of Brazil.
Country: EUA
Editor: Amer Soc Trop Med & Hygiene
Citation: American Journal Of Tropical Medicine And Hygiene. Amer Soc Trop Med & Hygiene, v. 65, n. 4, n. 329, n. 334, 2001.
Rights: embargo
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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