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Published on: May 19, 2020
Progress in the development of effective vaccines to prevent selected gram-positive bacterial infections
Michael S Bronze1, James B Dale
1Division of Infectious Diseases, Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma 73190, USA. Michael-Bronze@ouhsc.edu
Abstract:
Infections caused by virulent Gram-positive bacteria, such as Staphylococcus aureus, group B streptococci and group A streptococci, remain significant causes of morbidity and mortality despite progress in antimicrobial therapy. Despite significant advances in the understanding of the pathogenesis of infection caused by these organisms, there are only limited strategies to prevent infection. In this article, we review efforts to develop safe and effective vaccines that would prevent infections caused by these 3 pathogens.
Insights
Developing vaccines against virulent Gram-positive bacteria like Staphylococcus aureus, group B streptococci, and group A streptococci is crucial for preventing serious infections and improving patient outcomes. This review explores current vaccine development strategies for these significant pathogens.
Area of Science:
- Microbiology
- Immunology
- Vaccinology
Background:
- Virulent Gram-positive bacterial infections, including Staphylococcus aureus, group B streptococci, and group A streptococci, are major contributors to illness and death.
- Despite advances in antimicrobial treatments and understanding pathogenesis, effective infection prevention strategies remain limited.
Purpose of the Study:
- This review aims to summarize the ongoing research and development of safe and effective vaccines against three key Gram-positive pathogens.
- To highlight the progress and challenges in creating preventative measures for these widespread infections.
Main Methods:
- Literature review of published studies on vaccine development for Staphylococcus aureus, group B streptococci, and group A streptococci.
- Analysis of current vaccine candidates, including their platforms, targets, and preclinical/clinical trial outcomes.
Main Results:
- Several vaccine candidates targeting different virulence factors and surface antigens are in various stages of development.
- Challenges include achieving broad protection, ensuring safety, and overcoming immune evasion mechanisms of these bacteria.
Conclusions:
- Vaccine development offers a promising avenue for preventing infections caused by Staphylococcus aureus, group B streptococci, and group A streptococci.
- Continued research and innovation are essential to bring effective vaccines to clinical use and reduce the burden of these infections.
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