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Regional, age and respiratory-secretion-specific prevalence of respiratory viruses associated with asthma exacerbation: a literature review
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Regional, age and respiratory-secretion-specific prevalence of respiratory viruses associated with asthma exacerbation: a literature review
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Journal Article
Regional, age and respiratory-secretion-specific prevalence of respiratory viruses associated with asthma exacerbation: a literature review
2018
Overview
Despite increased understanding of how viral infection is involved in asthma exacerbations, it is less clear which viruses are involved and to what extent they contribute to asthma exacerbations. Here, we sought to determine the prevalence of different respiratory viruses during asthma exacerbations. Systematic computerized searches of the literature up to June 2017 without language limitation were performed. The primary focus was on the prevalence of respiratory viruses, including AdV (adenovirus), BoV (bocavirus), CoV (coronavirus), CMV (cytomegalovirus), EnV (enterovirus), HSV (herpes simplex virus), IfV (influenza virus), MpV (metapneumovirus), PiV (parainfluenzavirus), RV (rhinovirus) and RSV (respiratory syncytial virus) during asthma exacerbations. We also examined the prevalence of viral infection stratified by age, geographic region, type of respiratory secretion, and detection method. Sixty articles were included in the final analysis. During asthma exacerbations, the mean prevalence of AdV, BoV, CoV, CMV, EnV, HSV, IfV, MpV, PiV, RV and RSV was 3.8%, 6.9%, 8.4%, 7.2%, 10.1%, 12.3%, 10.0%, 5.3%, 5.6%, 42.1% and 13.6%, respectively. EnV, MPV, RV and RSV were more prevalent in children, whereas AdV, BoV, CoV, IfV and PiV were more frequently present in adults. RV was the major virus detected globally, except in Africa. RV could be detected in both the upper and lower airway. Polymerase chain reaction was the most sensitive method for detecting viral infection. Our findings indicate the need to develop prophylactic polyvalent or polyvirus (including RV, EnV, IfV and RSV) vaccines that produce herd immunity and reduce the healthcare burden associated with virus-induced asthma exacerbations.
Publisher
Springer Vienna,Springer Nature B.V
Subject
/ Asthma
/ Biomedical and Life Sciences
/ Children
/ Cytomegalovirus - pathogenicity
/ Cytomegalovirus - physiology
/ Human bocavirus - pathogenicity
/ Human bocavirus - physiology
/ Humans
/ Metapneumovirus - pathogenicity
/ Metapneumovirus - physiology
/ Respiratory Syncytial Virus, Human - pathogenicity
/ Respiratory Syncytial Virus, Human - physiology
/ Respiratory System - virology
/ Respiratory Tract Infections - complications
/ Respiratory Tract Infections - epidemiology
/ Respiratory Tract Infections - virology
/ Respirovirus - pathogenicity
/ Review
/ Simplexvirus - pathogenicity
/ Virology
/ Virus Diseases - complications
/ Virus Diseases - epidemiology
/ Viruses
