Journal List > Infect Chemother > v.40(4) > 1075408

Seo, Kim, Kim, Kee, Chung, Kim, Park, Kim, Lee, Kim, and Chung: Characterization of Respiratory Viral Infection in Children in Gwangju

Abstract

Background

This investigation was to perform the epidemiological surveillance and genetic analysis on respiratory viral agents from children with acute respiratory infections in Gwangju.

Materials and Methods

For this study, 3,695 specimens obtained from patients with acute respiratory infections were collected by collaboration with pediatric hospitals in Gwangju between 2005 and 2007. Specimens were screened for 8 respiratory viruses including influenza viruses (IFV), human rhinoviruses (HRV), human coronaviruses (HCoV), adenoviruses (ADV), parainfluenza viruses (PIV), human enteroviruses (HEV), respiratory synthitial viruses (RSV) and human bocaviruses (HBoV). Respiratory viruses were detected using multiplex (RT) PCR with viral specific primers.

Results

Out of 3,695 specimens, the ratio of virus detection was 24.9% (919). Overall, HRV (35.5%) and IFV (34.9%) were the most common viruses found, followed by HBoV (14.8%), HCoV (10.6%), RSV (3.7%), ADV (3.4%), PIV (3.2%) and HEV (3.0%). In addition, multiple infections were detected in 80 patients (8.7%). When the prevalence was analyzed according to season, HBoV, IFV and HCoV showed two epidemic points in late spring and early winter. ADV, HRV, RSV PIV and HEV, however, were all found to have only one epidemic point, with RSV being most common during winter and the others being most prominent during spring.

Conclusions

Through this epidemiological surveillance, the respiratory viruses prevalent in children in Gwangju area were investigated. We strongly recommend the development of nationwide policy for the management of prevalent respiratory virus that includes long term collection of data and samples, vaccine development and prevention education of the misuse of antibiotics.

Figures and Tables

Figure 1
Age and gender distribution in children with acute viral lower respiratory tract infections.
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Figure 2
Monthly incidence patterns of respiratory tract infections detected from the children.
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Table 1
Sequences of Primers Used for RT-PCR or PCR
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Table 2
Sequences of Primers Used for RT-PCR
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Table 3
The Result of Viruses Detected in Children with Respiratory Disease Symptom in Gwangju
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*A; single infection, B; double infection, C; triple infection

Table 4
Distribution of Viruses Detected in Children with Respiratory Disease by Age
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Table 5
Number of Respiratory Viruses Detected by Sex
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