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Development of a broad-spectrum epitope-based vaccine against Streptococcus pneumoniae.
PLoS One
January 2025
Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh.
Streptococcus pneumoniae (SPN) is a significant pathogen causing pneumonia and meningitis, particularly in vulnerable populations like children and the elderly. Available pneumonia vaccines have limitations since they only cover particular serotypes and have high production costs. The emergence of antibiotic-resistant SPN strains further underscores the need for a new, cost-effective, broad-spectrum vaccine.
View Article and Find Full Text PDFNasopharyngeal carriage of Streptococcus pneumoniae among children and their household members in southern Mozambique five years after PCV10 introduction.
Vaccine
January 2025
Respiratory Diseases Branch, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, United States.
Background: Streptococcus pneumoniae is an important cause of pneumonia, sepsis, and meningitis, which are leading causes of child mortality. Pneumococcal conjugate vaccines (PCVs) protect against disease and nasopharyngeal colonization with vaccine serotypes, reducing transmission to and among unvaccinated individuals. Mozambique introduced 10-valent PCV (PCV10) in 2013.
View Article and Find Full Text PDFHospital burden of pneumococcal disease in Spain (2016-2022): A retrospective study.
Hum Vaccin Immunother
December 2025
Medical Specialities and Public Health Department, Area of Preventive Medicine and Public Health, Rey Juan Carlos University, Alcorcón, Madrid, Spain.
Pneumococcal disease is a leading cause of morbidity and mortality worldwide. From 2016 to 2022, 358,603 hospitalized patients were identified as having pneumococcal disease. The overall annual hospitalization rate was 108.
View Article and Find Full Text PDFSimplified process for preparing native and depolymerized capsular polysaccharides of Streptococcus pneumoniae.
Carbohydr Polym
March 2025
Beijing Minhai Biotechnology Co. Ltd, Beijing 102600, China. Electronic address:
Streptococcus pneumoniae is a major pathogen of bacterial pneumonia, meningitis, sepsis, and otitis media. The pathogenicity of this bacterium is largely attributed to its polysaccharide capsule, a protective layer around bacterial cell that enables bacteria to resist against host defense. Capsular polysaccharides (CPSs) of S.
View Article and Find Full Text PDFInteractions of the Pneumococcus with the Central Nervous System: Postnatal Meningitis Versus Fetal Neurodevelopment.
J Pediatric Infect Dis Soc
January 2025
Department of Host-Microbe Interactions, St Jude Children's Research Hospital, Memphis, Tennessee, USA.
In young children, pneumococcal meningitis epitomizes the paradigm of a destructive innate inflammatory response in the central nervous system: a five-alarm fire. In contrast, cell-free bacterial components reaching the fetal brain from an infected mother signal a quiet, noninflammatory immune response that drives abnormal neurodevelopment, changing brain architecture through neuroproliferation. This review addresses the difference between prenatal and postnatal bacterial-host signaling within the brain.
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