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Pediatría (Asunción)

versão On-line ISSN 1683-9803

Resumo

VAZQUEZ, Cynthia et al. Detection of Human Metapneumovirus in Children under Age 5 Hospitalized in Paraguay. Pediatr. (Asunción) [online]. 2011, vol.38, n.3, pp. 199-204. ISSN 1683-9803.

Human metapneumovirus (hMPV) is a significant cause of acute respiratory infection (ARI) in hospitalized children. In Paraguay, ARI is one of the leading causes of childhood hospitalization, with viruses being the primary causal agents.  However, a large number of cases of unknown etiology remain. The influenza pandemic of 2009 led to intensified vigilance concerning respiratory infections and more thorough efforts to confirm the presence of viruses such as hMPV.  Our objective was to detect hMPV in children hospitalized for ARI in Paraguay during 2009. We studied respiratory samples from 240 children age <5 years hospitalized for IRAs in Paraguay during 2009 who had tested negative for other respiratory viruses. We used the hMPV-reactive LightMix® kit from TIB MOLBIOL for the detection of the nucleoprotein (N) gene by real-time PCR according to manufacturer-specified procedures. Of the 240 samples studied, 29 (12%) were positive for hMPV, with the highest rates detected in July and August (winter) predominating in children over 1 year of age. The most common signs and symptoms were cough, fever, and respiratory distress; while the most common complications were pneumonia and bronchiolitis. These results provide the first evidence concerning the prevalence of hMPV in children hospitalized for ARI in Paraguay.

Palavras-chave : Human metapneumovirus; hMPV; acute respiratory infection; ARI; hospitalized children.

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