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Mem. Inst. Oswaldo Cruz ; 105(7): 925-927, Nov. 2010.
Artículo en Inglés | LILACS | ID: lil-566185

RESUMEN

In this study, we aimed to evaluate virus shedding in the saliva of healthy adults from the metropolitan region of the city of Rio de Janeiro, Brazil, in order to verify the prevalence of both human herpesviruses 6 and 7 (HHV-6, HHV-7). The studied group comprised 182 healthy individuals at Pedro Ernesto University Hospital, who were being seen for annual odontologic revisions. Saliva specimens were subjected to a multiplex polymerase chain reaction (PCR) to detect the presence of HHV-6A, HHV-6B and HHV-7. The total Roseolovirus DNA prevalence was 22.4 percent. The PCR detected a HHV-6 prevalence of 9.8 percent, with HHV-6A detected in 7.1 percent of the samples and HHV-6B in 2.7 percent. HHV-7 DNA was revealed in 12.6 percent of the studied cases. Multiple infections caused by HHV-6A and 7 were found in 2.1 percent of the samples. No statistical differences were observed regarding age, but for HHV-7 infection, an upward trend was observed in female patients. Compared to studies from other countries, low prevalence rates of herpesvirus DNA were detected in saliva from the healthy individuals in our sample. PCR methodology thus proved to be a useful tool for Roseolovirus detection and it is important to consider possible geographic and populations differences that could explain the comparatively low prevalence rates described here.


Asunto(s)
Adulto , Femenino , Humanos , Masculino , ADN Viral , Infecciones por Roseolovirus , Saliva , Brasil , Reacción en Cadena de la Polimerasa , Prevalencia , Infecciones por Roseolovirus , Saliva , Esparcimiento de Virus
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