A novel group of rhinoviruses is associated with asthma hospitalizations
- PMID: 19027147
- PMCID: PMC7112283
- DOI: 10.1016/j.jaci.2008.10.007
A novel group of rhinoviruses is associated with asthma hospitalizations
Abstract
Background: Although recent studies have identified new group C human rhinoviruses (HRVCs), their spectrum of pediatric disease is unknown.
Objective: We sought to determine the presentation and burden of disease caused by HRVCs among young hospitalized children.
Methods: We conducted prospective population-based surveillance in 2 US counties among children less than 5 years of age hospitalized with acute respiratory illness or fever from October 2001 through September 2003. Nasal/throat swabs were obtained and tested for HRVs, as determined by means of RT-PCR and then characterized by means of partial sequencing.
Results: Of 1052 children enrolled and tested during the 2-year period, 167 (16%) had HRVs detected. Of 147 samples successfully sequenced, 64 were group A HRVs, 6 were group B HRVs, and 77 were HRVCs. Children with HRVCs were significantly more likely than those with group A HRVs to have underlying high-risk conditions, such as asthma (42% vs 23%, P = .023) and to have had a discharge diagnosis of asthma (55% vs 36%, P = .022).
Conclusions: Overall, HRVCs were detected in 7% of children hospitalized for fever or respiratory conditions and constituted almost half of all rhinovirus-associated hospitalizations, suggesting that this novel group causes a substantial burden of pediatric disease.
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Comment in
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Learning from molecular sleuths.J Allergy Clin Immunol. 2009 Jan;123(1):105-6. doi: 10.1016/j.jaci.2008.11.029. J Allergy Clin Immunol. 2009. PMID: 19130930 Free PMC article. No abstract available.
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