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Reisman J, Rudolph K, Bruden D, et al. Risk Factors for Pneumococcal Colonization of the Nasopharynx in Alaska Native Adults and Children. J Pediatric Infect Dis Soc. 2013;3(2):104-11doi: 10.1093/jpids/pit069.
Reisman, J., Rudolph, K., Bruden, D., Hurlburt, D., Bruce, M. G., & Hennessy, T. (2014). Risk Factors for Pneumococcal Colonization of the Nasopharynx in Alaska Native Adults and Children. Journal of the Pediatric Infectious Diseases Society, 3(2), 104-11. https://doi.org/10.1093/jpids/pit069
Reisman, Jonathan, et al. "Risk Factors for Pneumococcal Colonization of the Nasopharynx in Alaska Native Adults and Children." Journal of the Pediatric Infectious Diseases Society vol. 3,2 (2014): 104-11. doi: https://doi.org/10.1093/jpids/pit069
Reisman J, Rudolph K, Bruden D, Hurlburt D, Bruce MG, Hennessy T. Risk Factors for Pneumococcal Colonization of the Nasopharynx in Alaska Native Adults and Children. J Pediatric Infect Dis Soc. 2014 Jun;3(2):104-11. doi: 10.1093/jpids/pit069. Epub 2013 Nov 13. PMID: 26625363; PMCID: PMC6924510.
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J Pediatric Infect Dis Soc. 2014 Jun;3(2):104-11. doi: 10.1093/jpids/pit069. Epub 2013 Nov 13.

Risk Factors for Pneumococcal Colonization of the Nasopharynx in Alaska Native Adults and Children.

Journal of the Pediatric Infectious Diseases Society

Jonathan Reisman, Karen Rudolph, Dana Bruden, Debby Hurlburt, Michael G Bruce, Thomas Hennessy

Affiliations

  1. Department of Internal Medicine-Pediatrics, Harvard-Massachusetts General Hospital, Boston.
  2. Arctic Investigations Program, Division of Preparedness and Emerging Infections, National Center Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Anchorage, Alaska.

PMID: 26625363 PMCID: PMC6924510 DOI: 10.1093/jpids/pit069

Abstract

BACKGROUND: Alaska Native children have high invasive pneumococcal disease (IPD) rates, and lack of in-home running water has been shown to have a significant association with infection. Pneumococcal conjugate vaccines reduced IPD; however, this population saw substantial replacement disease and colonization with nonvaccine serotypes. We evaluated risk factors for nasopharyngeal pneumococcal colonization in Alaska Native adults and children.

METHODS: We conducted annual surveys from 2008 through 2011 of residents of all ages in 8 rural Alaskan villages. Interviews were conducted, medical charts were reviewed, and nasopharyngeal swabs were cultured for Streptococcus pneumoniae. Multivariate logistic regression models were developed for 3 age groups (under 10 years, 10-17 years, and 18 years and older) to determine risk factors for colonization.

RESULTS: We obtained 12 535 nasopharyngeal swabs from 4980 participants. Our population lived in severely crowded conditions, and 48% of households lacked in-home running water. In children <10 years, colonization was associated with lack of in-home running water, household crowding, and more children in the home. Pneumococcal vaccination status was not associated with colonization. In older children and adults, increased number of persons in the household was associated with pneumococcal colonization.

CONCLUSIONS: Higher colonization prevalence may partially explain increased IPD rates seen in those lacking in-home water services. Improving availability of sanitation services and reducing household crowding may reduce the burden of IPD in this population.

© The Author 2013. Published by Oxford University Press on behalf of the Pediatric Infectious Diseases Society. All rights reserved. For Permissions, please e-mail: [email protected].

Keywords: Streptococcus pneumoniae; pneumococcal colonization; vaccine; water

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