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Prevalence, codetection and seasonal distribution of upper airway viruses and bacteria in children with acute respiratory illnesses with cough as a symptom

O'Grady, Kerry-Ann F., Grimwood, Keith, Sloots, Theo P., Whiley, David M., Acworth, Jason P., Phillips, Natalie, Goyal, V. and Chang, Anne B. (2015). Prevalence, codetection and seasonal distribution of upper airway viruses and bacteria in children with acute respiratory illnesses with cough as a symptom. Clinical Microbiology and Infection,22(6):527-534.

Document type: Journal Article
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IRMA ID 81144320xPUB264
Title Prevalence, codetection and seasonal distribution of upper airway viruses and bacteria in children with acute respiratory illnesses with cough as a symptom
Author O'Grady, Kerry-Ann F.
Grimwood, Keith
Sloots, Theo P.
Whiley, David M.
Acworth, Jason P.
Phillips, Natalie
Goyal, V.
Chang, Anne B.
Journal Name Clinical Microbiology and Infection
Publication Date 2015
Volume Number 22
Issue Number 6
ISSN 1198-743X   (check CDU catalogue  open catalogue search in new window)
Scopus ID 2-s2.0-84963938778
Start Page 527
End Page 534
Total Pages 8
Place of Publication United Kingdom
Publisher Elsevier Ltd
Field of Research MEDICAL AND HEALTH SCIENCES
HERDC Category C1 - Journal Article (DIISR)
Abstract Most studies exploring the role of upper airway viruses and bacteria in paediatric acute respiratory infections (ARI) focus on specific clinical diagnoses and/or do not account for virus–bacteria interactions. We aimed to describe the frequency and predictors of virus and bacteria codetection in children with ARI and cough, irrespective of clinical diagnosis. Bilateral nasal swabs, demographic, clinical and risk factor data were collected at enrollment in children aged <15 years presenting to an emergency department with an ARI and where cough was a symptom. Swabs were tested by polymerase chain reaction for 17 respiratory viruses and seven respiratory bacteria. Logistic regression was used to investigate associations between child characteristics and codetection of the organisms of interest. Between December 2011 and August 2014, swabs were collected from 817 (93.3%) of 876 enrolled children, median age 27.7 months (interquartile range 13.9–60.3 months). Overall, 740 (90.6%) of 817 specimens were positive for any organism. Both viruses and bacteria were detected in 423 specimens (51.8%). Factors associated with codetection were age (adjusted odds ratio (aOR) for age <12 months = 4.9, 95% confidence interval (CI) 3.0, 7.9; age 12 to <24 months = 6.0, 95% CI 3.7, 9.8; age 24 to <60 months = 2.4, 95% CI 1.5, 3.9), male gender (aOR 1.46; 95% CI 1.1, 2.0), child care attendance (aOR 2.0; 95% CI 1.4, 2.8) and winter enrollment (aOR 2.0; 95% CI 1.3, 3.0). Haemophilus influenzae dominated the virus–bacteria pairs. Virus–H. influenzae interactions in ARI should be investigated further, especially as the contribution of nontypeable H. influenzae to acute and chronic respiratory diseases is being increasingly recognized.
Keywords Acute respiratory illness
bacteria
children
cough
viruses
DOI http://dx.doi.org/10.1016/j.cmi.2016.02.004   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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