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Published on: September 11, 2020
Global serotype distribution among Streptococcus pneumoniae isolates causing otitis media in children: potential
Gail L Rodgers1, Adriano Arguedas, Robert Cohen
1Scientific Affairs and Global Medical Affairs, Vaccines, Wyeth Pharmaceuticals Inc, Collegeville, PA 19426, USA. rodgerg@wyeth.com
Insights
Acute otitis media (AOM), a common infection, is linked to Streptococcus pneumoniae. This review identifies the key pneumococcal serotypes causing AOM in children globally.
Area of Science:
- Pediatrics
- Infectious Diseases
- Microbiology
Background:
- Acute otitis media (AOM) is a frequent infection following upper respiratory tract colonization by Streptococcus pneumoniae.
- Streptococcus pneumoniae is responsible for 30-60% of AOM cases globally.
- Specific pneumococcal serotypes are associated with nasopharyngeal colonization and disease propensity.
Purpose of the Study:
- To examine the global distribution of pneumococcal serotypes.
- To determine the relationship between pneumococcal serotypes and AOM in children.
- To identify the most common serotypes causing AOM worldwide.
Main Methods:
- Systematic review of global literature.
- Analysis of pneumococcal serotype distribution.
- Correlation of serotypes with AOM incidence in pediatric populations.
Main Results:
- Identified specific pneumococcal serotypes commonly associated with AOM.
- Demonstrated a global pattern in serotype distribution and AOM causation.
- Highlighted serotypes 3, 6A, 6B, 9V, 14, 19A, 19F, and 23F as most prevalent.
Conclusions:
- Pneumococcal serotype distribution varies globally.
- Certain serotypes are disproportionately responsible for pediatric AOM.
- Understanding serotype prevalence is crucial for AOM prevention strategies.
Abstract:
Acute otitis media (AOM) is the most common infection following pneumococcal colonization of the upper respiratory tract. Streptococcus pneumoniae causes 30-60% of AOM cases worldwide. However, not all pneumococcal serotypes cause disease and an association exists with nasopharyngeal colonization by certain serotypes and their propensity to cause AOM. This review examines the global serotype distribution relationship between pneumococcal serotypes and AOM in children aged <18 years and demonstrates that the most common pneumococcal serotypes causing AOM globally are 3, 6A, 6B, 9V, 14, 19A, 19F, and 23F.
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