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Clinical characteristics of acute viral lower respiratory tract infections in hospitalized children in Seoul, 1996-1998.

Authors
  • Ahn, K M1
  • Chung, S H
  • Chung, E H
  • Koh, Y J
  • Nam, S Y
  • Kim, J H
  • Son, J A
  • Park, J Y
  • Lee, N Y
  • Lee, S I
  • 1 Department of Pediatrics, Sungkyunkwan University College of Medicine, Samsung Seoul Hospital, Korea. , (North Korea)
Type
Published Article
Journal
Journal of Korean medical science
Publication Date
Aug 01, 1999
Volume
14
Issue
4
Pages
405–411
Identifiers
PMID: 10485620
Source
Medline
License
Unknown

Abstract

This study was performed to investigate the etiologic agents, age distribution, clinical manifestations and seasonal occurrence of acute viral lower respiratory tract infections in children. We confirmed viral etiologies using nasopharyngeal aspirates in 237 patients of the ages of 15 years or younger who were hospitalized for acute lower respiratory tract infection (ALRI) from March 1996 to February 1998 at Samsung Seoul Hospital, Seoul, Korea. The overall isolation rate was 22.1%. The viral pathogens identified were adenovirus (12.7%), influenza virus type A (21.1%), -type B (13.9%), parainfluenza virus type 1 (13.5%), -type 2 (1.3%), -type 3 (16.0%) and respiratory syncytial virus (21.5%). The occurrence of ALRIs was highest in the first year of life, although parainfluenza virus type 1 infection occurred predominantly in the second year of life and influenza virus caused illnesses in all age groups. The specific viruses are frequently associated with specific clinical syndromes of ALRI. The respiratory agents and associated syndromes frequently have characteristic seasonal patterns. This study will help us to estimate the etiologic agents of ALRI, and establish a program for the prevention and treatment. An annual nationwide survey is necessary to understand the viral epidemiology associated with respiratory illnesses in Korea.

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