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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 98, No. 6, 2003, pp. 739-743
Bioline Code: oc03151
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 98, No. 6, 2003, pp. 739-743

 en Respiratory Syncytial Virus Infections during an Epidemic Period in Salvador, Brazil. Viral Antigenic Group Analysis and Description of Clinical and Epidemiological Aspects
Fernanda Edna Araújo Moura; Leonardo Carletto Borges; Silvana Augusta Rodrigues Portes; Eduardo Antônio Gonçalves Ramos & Marilda Mendonça Siqueira

Abstract

Acute respiratory infections (ARI) caused by respiratory syncytial virus (RSV) were studied in 482 children from Salvador, BA, Brazil, over a period of 12 months. The epidemic period of RSV infections in Salvador occurred from February (summer) to August (winter), with peaks in May, June, and July. The grouping characteristics of 84 RSV present in nasopharyngeal secretions of children seen at a reference university hospital were analyzed. RSV represented 17.4% of all cases and 54.5% of the positive samples. Sixty-four RSV strains were assigned to group A and 14 to group B. Both groups circulated in the five months of the epidemic period studied. Infections by both groups of RSV were more frequent in children up to one year of age. The incidence of RSV ARI was slightly more frequent in males, although group B had more infected females.

Keywords
respiratory syncytial virus (RSV) - acute respiratory infection - RSV groups A and B - child - Salvador - Brazil

 
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