Viral Etiology of Acute Lower Respiratory Tract Infections in Hospitalized Children in Nagasaki, a Regional City of Japan in 2013-2015.
Acute Disease
Child, Preschool
Cities
/ epidemiology
Coinfection
/ epidemiology
Enterovirus D, Human
/ genetics
Enterovirus Infections
/ epidemiology
Female
Hospitalization
/ statistics & numerical data
Humans
Infant
Japan
/ epidemiology
Male
Nasopharynx
/ virology
Prospective Studies
Respiratory Tract Infections
/ epidemiology
Seasons
Virus Diseases
/ epidemiology
Viruses
/ classification
Journal
The Pediatric infectious disease journal
ISSN: 1532-0987
Titre abrégé: Pediatr Infect Dis J
Pays: United States
ID NLM: 8701858
Informations de publication
Date de publication:
08 2020
08 2020
Historique:
pubmed:
30
3
2020
medline:
16
7
2021
entrez:
30
3
2020
Statut:
ppublish
Résumé
Acute lower respiratory tract infections (ALRIs) are the most common disease for hospitalized children in Japan. The aim of this study was to identify viruses in children hospitalized for ALRIs and to demonstrate epidemiologic and clinical characteristics in Japan. During a 2-year period from February 2013 to January 2015, we collected nasopharyngeal swab specimens from almost all hospitalized children with ALRIs in Nagasaki, a regional city of Japan, and its environs. Viruses were detected by multiplex polymerase chain reaction from these samples. We detected one or more viruses from 259 (69%) of 374 patients, 227 of whom were infected with a single virus, 30 with 2, and 2 with 3 viruses. Detected viruses in this study were rhinovirus (46.4%), respiratory syncytial virus (29.7%), human metapneumovirus (6.8%), parainfluenza virus (5.5%), enterovirus D68 (3.4%), influenza virus (2.7%), adenovirus (2.4%), bocavirus (2.0%) and Coxsackie virus (1.0%). We detected a seasonal shift in respiratory syncytial virus outbreaks from the 2013-2014 to the 2014-2015 seasons. There was no significant difference in clinical course and severity among those viruses. Patients with a history of asthma or underlying diseases were older and more frequently required oxygen therapy than previously healthy patients. Viral etiology in hospitalized children with ALRIs in Nagasaki, Japan, was similar to that in many other countries. Enterovirus D68, which was recently recognized as a causative agent of severe ALRIs, was also identified in this study area. Severity of ALRIs may depend on underlying disease rather than type of etiologic virus.
Sections du résumé
BACKGROUND
Acute lower respiratory tract infections (ALRIs) are the most common disease for hospitalized children in Japan. The aim of this study was to identify viruses in children hospitalized for ALRIs and to demonstrate epidemiologic and clinical characteristics in Japan.
METHODS
During a 2-year period from February 2013 to January 2015, we collected nasopharyngeal swab specimens from almost all hospitalized children with ALRIs in Nagasaki, a regional city of Japan, and its environs. Viruses were detected by multiplex polymerase chain reaction from these samples.
RESULTS
We detected one or more viruses from 259 (69%) of 374 patients, 227 of whom were infected with a single virus, 30 with 2, and 2 with 3 viruses. Detected viruses in this study were rhinovirus (46.4%), respiratory syncytial virus (29.7%), human metapneumovirus (6.8%), parainfluenza virus (5.5%), enterovirus D68 (3.4%), influenza virus (2.7%), adenovirus (2.4%), bocavirus (2.0%) and Coxsackie virus (1.0%). We detected a seasonal shift in respiratory syncytial virus outbreaks from the 2013-2014 to the 2014-2015 seasons. There was no significant difference in clinical course and severity among those viruses. Patients with a history of asthma or underlying diseases were older and more frequently required oxygen therapy than previously healthy patients.
CONCLUSIONS
Viral etiology in hospitalized children with ALRIs in Nagasaki, Japan, was similar to that in many other countries. Enterovirus D68, which was recently recognized as a causative agent of severe ALRIs, was also identified in this study area. Severity of ALRIs may depend on underlying disease rather than type of etiologic virus.
Identifiants
pubmed: 32221164
doi: 10.1097/INF.0000000000002668
pii: 00006454-202008000-00009
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
687-693Références
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