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Novel Strategies for Developing Next-Generation Vaccines to Combat Infectious Viral Diseases.
Fangfeng Yuan1, Martin H Bluth2,3
1Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
Vaccines
|September 27, 2025
Summary
This review explores innovative viral vaccine strategies, including antigen engineering and mRNA technology, to overcome design and deployment challenges. It emphasizes global collaboration for equitable access and improved vaccine acceptance.
Area of Science:
- Immunology
- Vaccinology
- Molecular Biology
Background:
- Viral vaccine development faces significant scientific and logistical hurdles, exacerbated by the COVID-19 pandemic.
- Existing vaccine platforms and strategies have limitations in efficacy, delivery, and broad applicability.
- Predicting human immune responses from animal models remains a challenge.
Purpose of the Study:
- To critically review emerging strategies for viral vaccine design and deployment.
- To identify key areas for innovation in antigen engineering, delivery systems, and immunomodulation.
- To advocate for global collaboration to address vaccine hesitancy and ensure equitable access.
Main Methods:
- Structure-guided antigen engineering for conformational stabilization.
- Evaluation of messenger RNA (mRNA) vaccine platforms and delivery systems.
- Assessment of advanced adjuvant systems for enhanced immune responses.
- Exploration of methods to overcome immune imprinting and antigenic variability (e.g., chimeric antigens, glycan shielding).
- Review of anti-idiotypic vaccination and limitations of animal models.
Main Results:
- Structure-guided antigen engineering can stabilize viral antigen conformations for improved immunogenicity.
- The mRNA platform offers a versatile and rapid approach for vaccine development and deployment.
- Advanced adjuvants significantly enhance both cellular and humoral immune responses.
- Strategies like chimeric antigens and glycan shielding show promise in mitigating immune imprinting and variability.
- Limitations in animal models necessitate careful interpretation of preclinical data.
Conclusions:
- Integrating molecular insights with advanced platform technologies is crucial for rational viral vaccine design.
- Future vaccines require improved efficacy, broader immune responses, and enhanced public acceptance.
- Global collaboration in manufacturing, distribution, and public education is essential for inclusive immunization strategies.
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