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| http://dx.doi.org/10.1002/jmv.26278 | DOI Listing |
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Nasopharyngeal carriage of Streptococcus pneumoniae among Brazilian children: Interplay with viral co-infection.
PLoS One
January 2025
Federal University of Health Sciences of Porto Alegre, Porto Alegre, RS, Brazil.
Nasopharyngeal transmission of Streptococcus pneumoniae is a prerequisite for the development of pneumococcal diseases. Previous studies have reported a relationship between respiratory viruses and S. pneumoniae infections.
View Article and Find Full Text PDFImpact of COVID-19 on Pneumococcal Acute Otitis Media, Antibiotic Resistance, and Vaccination in Children.
Infect Drug Resist
December 2024
Dunarea de Jos" University of Galati, Faculty of Medicine and Pharmacy, Galati, Romania.
Streptococcus pneumoniae is the main pathogen that plays a dual role, on the one hand as an asymptomatic carrier in the nasopharyngeal mucosa and on the other hand directly responsible for triggering invasive pneumococcal infections with various important localizations, especially in the pediatric population. Thus, invasive pneumococcal infections represent one of the main causes of mortality and morbidity in children under 5 years of age. Immunization is a key preventive measure against these infections.
View Article and Find Full Text PDFPneumococcal nasopharyngeal carriage in children and adults self-confined at home during a COVID-19 national lockdown.
PLoS One
December 2024
Institut de Recerca Sant Joan de Déu, Hospital Sant Joan de Déu, Esplugues, Barcelona, Spain.
Background: Despite growing evidence of reduced invasive and non-invasive pneumococcal disease attributed to public health measures against the COVID-19 pandemic, the effect of these measures on pneumococcal carriage remains unclear. This study aimed to assess pneumococcal nasopharyngeal carriage among children and adults self-confined at home during the COVID-19 national lockdown in Spain while identifying predictors of pneumococcal carriage in children.
Methods: Household study conducted across the metropolitan area of Barcelona (Spain) between April-June 2020.
Haemophilus influenzae and pneumococci: Co-colonization, interactions, cooperation and competition.
Pediatr Pulmonol
January 2025
Institute for Biomedicine and Glycomics, Griffith University, Gold Coast, Queensland, Australia.
Article Synopsis
- * Both bacteria often coexist but can either cooperate or compete depending on environmental conditions, complicating their impact on disease severity and treatment outcomes.
- * There is a push for developing vaccines targeting these bacteria to reduce respiratory diseases among young children, highlighting the need for more research on their interactions and effective prevention strategies.
RSV and rhinovirus increase pneumococcal carriage acquisition and density, whereas nasal inflammation is associated with bacterial shedding.
Cell Host Microbe
September 2024
Oxford Vaccine Group, Department of Paediatrics, University of Oxford, Oxford, UK; NIHR Oxford Biomedical Research Centre, Oxford OX3 7LE, UK; Clinical Sciences Department, Liverpool School of Tropical Medicine, Liverpool L3 5QA, UK. Electronic address:
Epidemiological studies report the impact of co-infection with pneumococcus and respiratory viruses upon disease rates and outcomes, but their effect on pneumococcal carriage acquisition and bacterial load is scarcely described. Here, we assess this by combining natural viral infection with controlled human pneumococcal infection in 581 healthy adults screened for upper respiratory tract viral infection before intranasal pneumococcal challenge. Across all adults, respiratory syncytial virus (RSV) and rhinovirus asymptomatic infection confer a substantial increase in secondary infection with pneumococcus.
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