Fatal Spotted Fever Rickettsiosis, Minas Gerais, Brazil

The emergence and reemergence of a serious infectious disease are often associated with a high case-fatality rate because of misdiagnosis and inappropriate or delayed treatment. The current reemergence of spotted fever rickettsiosis caused by Rickettsia rickettsii in Brazil has resulted in a high pr...

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Main Authors: Márcio Antonio Moreira Galvão, J. Stephen Dumler, Cláudio Lísias Mafra, Simone Berger Calic, Chequer Buffe Chamone, Gracco Cesarino Filho, Juan Pablo Olano, David H. Walker
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2003-11-01
Series:Emerging Infectious Diseases
Subjects:
Online Access:https://wwwnc.cdc.gov/eid/article/9/11/03-0193_article
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author Márcio Antonio Moreira Galvão
J. Stephen Dumler
Cláudio Lísias Mafra
Simone Berger Calic
Chequer Buffe Chamone
Gracco Cesarino Filho
Juan Pablo Olano
David H. Walker
author_facet Márcio Antonio Moreira Galvão
J. Stephen Dumler
Cláudio Lísias Mafra
Simone Berger Calic
Chequer Buffe Chamone
Gracco Cesarino Filho
Juan Pablo Olano
David H. Walker
author_sort Márcio Antonio Moreira Galvão
collection DOAJ
description The emergence and reemergence of a serious infectious disease are often associated with a high case-fatality rate because of misdiagnosis and inappropriate or delayed treatment. The current reemergence of spotted fever rickettsiosis caused by Rickettsia rickettsii in Brazil has resulted in a high proportion of fatal cases. We describe two familial clusters of Brazilian spotted fever in the state of Minas Gerais, involving six children 9 months to 15 years of age; five died. Immunohistochemical investigation of tissues obtained at necropsy of a child in each location, Novo Cruzeiro and Coronel Fabriciano municipalities, established the diagnosis by demonstration of disseminated endothelial infection with spotted fever group rickettsiae. The diagnosis in the two fatal cases from Coronel Fabriciano and the surviving patient from Novo Cruzeiro was further supported by immunofluorescence serologic tests.
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spelling doaj.art-7b47f37e371749dea6f6a45d6000d26b2022-12-21T17:45:37ZengCenters for Disease Control and PreventionEmerging Infectious Diseases1080-60401080-60592003-11-019111402140510.3201/eid0911.030193Fatal Spotted Fever Rickettsiosis, Minas Gerais, BrazilMárcio Antonio Moreira GalvãoJ. Stephen DumlerCláudio Lísias MafraSimone Berger CalicChequer Buffe ChamoneGracco Cesarino FilhoJuan Pablo OlanoDavid H. WalkerThe emergence and reemergence of a serious infectious disease are often associated with a high case-fatality rate because of misdiagnosis and inappropriate or delayed treatment. The current reemergence of spotted fever rickettsiosis caused by Rickettsia rickettsii in Brazil has resulted in a high proportion of fatal cases. We describe two familial clusters of Brazilian spotted fever in the state of Minas Gerais, involving six children 9 months to 15 years of age; five died. Immunohistochemical investigation of tissues obtained at necropsy of a child in each location, Novo Cruzeiro and Coronel Fabriciano municipalities, established the diagnosis by demonstration of disseminated endothelial infection with spotted fever group rickettsiae. The diagnosis in the two fatal cases from Coronel Fabriciano and the surviving patient from Novo Cruzeiro was further supported by immunofluorescence serologic tests.https://wwwnc.cdc.gov/eid/article/9/11/03-0193_articleBrazil
spellingShingle Márcio Antonio Moreira Galvão
J. Stephen Dumler
Cláudio Lísias Mafra
Simone Berger Calic
Chequer Buffe Chamone
Gracco Cesarino Filho
Juan Pablo Olano
David H. Walker
Fatal Spotted Fever Rickettsiosis, Minas Gerais, Brazil
Emerging Infectious Diseases
Brazil
title Fatal Spotted Fever Rickettsiosis, Minas Gerais, Brazil
title_full Fatal Spotted Fever Rickettsiosis, Minas Gerais, Brazil
title_fullStr Fatal Spotted Fever Rickettsiosis, Minas Gerais, Brazil
title_full_unstemmed Fatal Spotted Fever Rickettsiosis, Minas Gerais, Brazil
title_short Fatal Spotted Fever Rickettsiosis, Minas Gerais, Brazil
title_sort fatal spotted fever rickettsiosis minas gerais brazil
topic Brazil
url https://wwwnc.cdc.gov/eid/article/9/11/03-0193_article
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