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Prevalence of upper respiratory tract infections at a tertiary care hospital in the city of São Paulo

Author(s): Amilton Mouro | Luci Black Tabacow Hidal | Marines Dalla Valle Martino | Jacyr Pasternark

Journal: Einstein
ISSN 1679-4508

Volume: 8;
Issue: 2;
Start page: 197;
Date: 2010;
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Keywords: Respiratory tract infections/pathology | Respiratory syncytial viruses | Streptococcus pyogenes

Objective: To evaluate the prevalence of pathogens in the upper respiratory tract according to age at a tertiary care hospital in the city of São Paulo. Methods: A total of 6,144 biological material tests from upper respiratory airways were analyzed: 740 bacterial cultures, 726 virus screenings and 4,678 rapid tests for S. pyogenes. Results: The most frequently found etiological agent was respiratory syncytial virus (29.6%; 215/726). The main agents detected per age groups were: respiratory syncytial virus (25.34%; 184/726) in patients aged 28 days-3 years; S. pyogenes (9.5%; 70/740) in 3-12 year-old children; influenza virus (8.8%; 64/726) in adults (18-59 years). Conclusions: The etiologic agents of upper respiratory infections vary according to age and imply diverse clinical and therapeutic management.
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