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Updated: Jun 3, 2026

Genotyping of Staphylococcus aureus by Ribosomal Spacer PCR (RS-PCR)
Published on: November 4, 2016
Restriction Fragment End Labeling Analysis: High-Resolution Genomic Typing of Streptococcus pneumoniae Isolates
P W Hermans1, M Sluijter, A van Belkum
1Department of Paediatrics, Erasmus University Medical Center Rotterdam, Rotterdamdam, The Netherlands.
Insights
Streptococcus pneumoniae causes significant illness and death, particularly in vulnerable groups. Nasopharyngeal colonization by pneumococcus increases the risk of developing acute otitis media in children.
Area of Science:
- Microbiology
- Pediatrics
- Epidemiology
Background:
- Streptococcus pneumoniae (pneumococcus) is a major bacterial pathogen responsible for considerable morbidity and mortality.
- It frequently colonizes the nasopharynx, especially in young children, serving as a reservoir for transmission.
- Pneumococcal colonization is a recognized risk factor for subsequent infections.
Purpose of the Study:
- To highlight Streptococcus pneumoniae as a leading cause of illness and death.
- To emphasize the role of pneumococcal nasopharyngeal colonization in disease pathogenesis.
- To underscore the association between pneumococcal colonization and acute otitis media in children.
Main Methods:
- Literature review of studies on Streptococcus pneumoniae epidemiology and pathogenesis.
- Analysis of data linking nasopharyngeal colonization to clinical outcomes.
- Synthesis of evidence regarding risk factors for pneumococcal infections.
Main Results:
- Streptococcus pneumoniae is identified as a primary cause of bacterial illness and mortality globally.
- Pneumococcal carriage is common in the nasopharynx, particularly among pediatric populations.
- Children with S. pneumoniae colonization exhibit a higher incidence of acute otitis media.
Conclusions:
- Streptococcus pneumoniae poses a significant public health threat, especially to vulnerable populations.
- Nasopharyngeal colonization by pneumococcus is a critical factor in the development of otitis media.
- Understanding colonization dynamics is essential for preventing pneumococcal diseases.
Abstract:
Streptococcus pneumoniae (pneumococcus) is one of the leading bacterial pathogens causing illness and death among young children, the elderly, and persons with certain underlying medical conditions (1). Pneumococci are often part of the normal nasopharyngeal flora, especially in young children. Pneumococcal colonization is an important risk factor: children colonized with S. pneumoniae more often develop acute otitis media than children who are not colonized (2-5).
