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JAMA. 2010 May 26;303(20):2051-7. doi: 10.1001/jama.2010.675.

Viral etiology of severe pneumonia among Kenyan infants and children.

Author information

1
Kenya Medical Research Institute, Centre for Geographic Medicine Research-Coast, Kilifi, Kenya. jberkley@kilifi.kemri-wellcome.org

Erratum in

  • JAMA. 2010 Jun 23;303(24):2477.

Abstract

CONTEXT:

Pneumonia is the leading cause of childhood death in sub-Saharan Africa. Comparative estimates of the contribution of causative pathogens to the burden of disease are essential for targeted vaccine development.

OBJECTIVE:

To determine the viral etiology of severe pneumonia among infants and children at a rural Kenyan hospital using comprehensive and sensitive molecular diagnostic techniques.

DESIGN, SETTING, AND PARTICIPANTS:

Prospective observational and case-control study during 2007 in a rural Kenyan district hospital. Participants were children aged 1 day to 12 years, residing in a systematically enumerated catchment area, and who either were admitted to Kilifi District Hospital meeting World Health Organization clinical criteria for severe pneumonia or very severe pneumonia; (2) presented with mild upper respiratory tract infection but were not admitted; or (3) were well infants and children attending for immunization.

MAIN OUTCOME MEASURES:

The presence of respiratory viruses and the odds ratio for admission with severe disease.

RESULTS:

Of 922 eligible admitted patients, 759 were sampled (82% [median age, 9 months]). One or more respiratory viruses were detected in 425 of the 759 sampled (56% [95% confidence interval {CI}, 52%-60%]). Respiratory syncytial virus (RSV) was detected in 260 participants (34% [95% CI, 31%-38%]) and other respiratory viruses were detected in 219 participants (29%; 95% CI, 26%-32%), the most common being Human coronavirus 229E (n = 51 [6.7%]), influenza type A (n = 44 [5.8%]), Parainfluenza type 3 (n = 29 [3.8%]), Human adenovirus (n = 29 [3.8%]), and Human metapneumovirus (n = 23 [3.0%]). Compared with well control participants, detection of RSV was associated with severe disease (5% [corrected] in control participants; adjusted odds ratio, 6.11 [95% CI, 1.65-22.6]) while collectively, other respiratory viruses were not associated with severe disease (23% in control participants; adjusted odds ratio, 1.27 [95% CI, 0.64-2.52]).

CONCLUSION:

In a sample of Kenyan infants and children admitted with severe pneumonia to a rural hospital, RSV was the predominant viral pathogen.

PMID:
20501927
PMCID:
PMC2968755
DOI:
10.1001/jama.2010.675
[Indexed for MEDLINE]
Free PMC Article

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