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International Journal of Microbiology
Volume 2010, Article ID 765479, 4 pages
Research Article

Simultaneous Nasopharyngeal Carriage of Two Pneumococcal Multilocus Sequence Types with a Serotype 3 Phenotype

1Monkland Hospital, Clinical Microbiology Department, Monklands General Hospital, Monkscourt Avenue, Airdrie, Lanarkshire ML5 0JS, UK
2Queens Medical Centre, Department of Clinical Microbiology, Nottingham University Hospitals NHS Trust, Derby Road, Nottingham NG7 2UH, UK
3Scottish Haemophilus, Legionella, Meningococcal and Pneumococcal Reference Laboratory (SHLMPRL), Stobhill Hospital, Glasgow G21 3UW, UK
4Fundación Totaí, Casilla 158, Trinidad, Beni, Bolivia
5Laboratorios Altstadt, Casilla 158, Trinidad, Beni, Bolivia
6Institute of Infection, Immunity and Inflammation, Glasgow Biomedical Research Centre University of Glasgow, College of Medical, Veterinary and Life Sciences, 120 University Place, Glasgow G12 8TA, UK

Received 14 January 2010; Revised 26 September 2010; Accepted 13 October 2010

Academic Editor: Eduardo Dei-Cas

Copyright © 2010 Donald Inverarity et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Knowledge of the epidemiology of pneumococcal disease in Bolivia is sparse, and Multilocus Sequence Typing (MLST) of isolates has not been previously possible. Beni state has until recently been a geographically isolated region of the Bolivian Amazon basin and is a region of significant poverty. During June and July 2007, we performed a pneumococcal carriage study recruiting over 600 schoolchildren in two towns in the Beni state. Here, we describe the unique identification of simultaneous nasopharyngeal carriage of two pneumococcal multilocus sequence types with a serotype 3 phenotype within a single subject.