Serosurvey of Rickettsia typhi and Rickettsia felis in HIV-infected patients

ABSTRACT Consistent with the effects of HIV on cell‐mediated immunity, an increased susceptibility to intracellular microorganisms has been observed. Rickettsiae are obligate intracellular microorganisms. The aim of this study was to examine Rickettsia typhi and Rickettsia felis infections in HIV+ p...

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Published in:Microbiology and immunology 2014-04, Vol.58 (4), p.257-259
Main Authors: Nogueras, María Mercedes, Pons, Immaculada, Sanfeliu, Isabel, Sala, Montserrat, Segura, Ferran
Format: Article
Language:English
Subjects:
Adult
Antibodies, Bacterial - blood
Felis
Female
Fluorescent Antibody Technique, Indirect
Hepatitis
Hepatitis B virus
Hepatitis C virus
HIV
HIV Infections - complications
Human immunodeficiency virus
Humans
Male
Medical research
Middle Aged
Rickettsia felis
Rickettsia felis - isolation & purification
Rickettsia Infections - epidemiology
Rickettsia typhi
Rickettsia typhi - isolation & purification
Seroepidemiologic Studies
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Summary:ABSTRACT Consistent with the effects of HIV on cell‐mediated immunity, an increased susceptibility to intracellular microorganisms has been observed. Rickettsiae are obligate intracellular microorganisms. The aim of this study was to examine Rickettsia typhi and Rickettsia felis infections in HIV+ population. Sera of 341 HIV+ patients were evaluated by indirect immunofluorescent assay. Age, sex, residential locality, risk behavior, stage according to criteria of the Center for Disease Control and Prevention, CD4+/CD8+ T cells, Hepatitis B antigen, and Hepatitis C serology were surveyed. Seroprevalences of R. typhi and R. felis infection were 7.6% and 4.4%, respectively. No associations were found between seropositivities and the assessed variables. Findings were similar to those obtained in healthy subjects from the same region.
ISSN:0385-5600
1348-0421
DOI:10.1111/1348-0421.12138