Rickettsioses emergentes e reemergentes numa região endêmica do Estado de Minas Gerais, Brasil

Cadernos de Saúde Pública

Márcio A. M. Galvão¹  Joel A. Lamounier²  Elido Bonomo¹  Margarete S. Tropia¹  Eliane G. Rezende¹  Simone B. Calic²  Chequer B. Chamone²  Mirtes C. Machado²  Márcia E. A. Otoni²  Romário C. Leite²  Camila Caram²  Cláudio L. Mafra²  David H. Walker² 

[1] ,Universidade Federal de Ouro Preto Escola de Nutrição Departamento de Nutrição Clínica e SocialOuro Preto MG ,Brasil

关键词: Rickettsia rickettsii;    Rickettsia Infections;    Ehrlichia;    Rocky Mountain Spotted Fever;    Rickettsia Rickettsii;    Rickettsioses;    Ehrlichia;    Febre Maculosa das Montanhas Rochosas;   

DOI  :  10.1590/S0102-311X2002000600013

来源: SciELO

【 摘 要 】

This article describes a serological survey for rickettsiosis in the county of Novo Cruzeiro, Minas Gerais State, Brazil, in 1998, testing schoolchildren and dogs. Sera included 331 samples from schoolchildren from an endemic area and 142 samples from schoolchildren from a non-endemic area in the county. All children examined were healthy and had not reported clinical symptoms of Brazilian spotted fever prior to the serological survey. Some 35 children in the endemic area were reactive to Rickettsia rickettsiiby indirect fluorescent antibody (IFA) with a titer of 1:64, corresponding to 10.6%. Sera from 73 dogs were tested, showing seroreactivity (IFA 1:64) to Rickettsia rickettsi, Ehrlichia chaffeensis, and Ehrlichia canisin 3 (4.11%), 11 (15.07%), and 13 (17.81%), respectively. The results in schoolchildren and the presence of canine seroreactivity to Ehrlichiaspecies that are potentially pathogenic to humans suggests the risk of transmission of other Rickettsiaein the study area.

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