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Updated: Dec 8, 2025

Enrichment of Native and Recombinant Extracellular Vesicles of Mycobacteria
Published on: December 8, 2023
[Bacterial vaccines]
1Janssen, Bacterial Vaccine Discovery & Early Development, Leiden.
Insights
Vaccines now target infections across all life stages, addressing major public health challenges. Rising antimicrobial resistance and aging populations exacerbate risks from bacterial infections like bacteraemia.
Area of Science:
- Infectious Diseases
- Microbiology
- Public Health
Background:
- Vaccine development historically focused on childhood diseases.
- Contemporary vaccine research extends to all life stages.
- Bacterial infections pose significant global health threats.
Observation:
- The 21st century sees a shift in vaccine focus towards lifelong infection prevention.
- Aging populations are experiencing increased rates of severe bacterial infections.
- Antimicrobial resistance is a growing concern, complicating infection treatment.
Findings:
- Antimicrobial resistance is increasing, posing a crisis for treating bacterial infections.
- Healthcare-associated infections and bacteraemia are rising, particularly in older adults.
- The convergence of an aging population and antimicrobial resistance presents a dual public health challenge.
Implications:
- Urgent need for novel vaccines and antimicrobial strategies.
- Enhanced infection control measures are critical in healthcare settings.
- Public health initiatives must address both aging demographics and antimicrobial resistance threats.
Abstract:
Vaccines were originally developed to prevent potentially deadly childhood diseases, but during the 21st century attention broadened to include prevention of infection in all stages of life. Prevention and treatment of bacterial infections are two of the biggest public health challenges of the 21st century. A crisis threatens to arise as the ageing of the population and the associated increase in cases of life-threatening bacteraemia and healthcare-associated infection coincides with an increase in antimicrobial resistance.
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