Multivalent Vaccine Composition for Broad Strain Coverage
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Solution Overview
Problem
Existing vaccines against rapidly mutating pathogens often become obsolete due to antigen changes over time, requiring frequent updates and providing inconsistent protection.
Innovation Solution
Vaccines comprising a diverse set of antigens that represent a significant portion of clades and operational taxonomic units (OTUs) of a microbe, with controlled edit distances between antigens to ensure broad immune response coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a single antigen is used in the vaccine, then the vaccine can be simple to manufacture, but the immune response becomes obsolete when antigens change over time
Solution Approach 1:
The vaccine is segmented into multiple antigen components, each representing different clades of the microbe. Instead of using a single antigen, the vaccine comprises a set of antigens (at least 2, 3, 4, or more) that collectively cover a broader range of microbial variants, ensuring the immune system is primed against multiple possible strains simultaneously.
Solution Approach 2:
The vaccine achieves multi-functionality by incorporating antigens that represent at least 60% of fifth order clades or at least 60% of all operational taxonomic units (OTUs) of the microbe. This universal approach allows a single vaccine formulation to provide protection against diverse strains without requiring frequent updates.
2Reliability
If antigens are updated frequently to match circulating strains, then the immune response remains effective, but the vaccine requires periodic reconfiguration and manufacturing
Solution Approach 1:
The vaccine performs preliminary action by pre-including antigens from multiple clades and OTUs that are representative of the microbe's diversity. By anticipating potential circulating strains and incorporating their representative antigens in advance, the vaccine eliminates the need for frequent updates and reconfigurations when new strains emerge.
3Adaptability or versatility
If a diverse set of antigens is included to cover multiple clades, then broad immunity is achieved, but the vaccine complexity increases
Solution Approach 1:
The vaccine applies local quality by selecting specific antigens with controlled pairwise edit distances (at least 10% but no more than 98% of average antigen size). This ensures that each antigen contributes unique immunogenic information while maintaining appropriate diversity, optimizing broad coverage without unnecessary complexity.
4Adaptability or versatility
If antigens with large edit distances are selected to represent diverse clades, then strain coverage is maximized, but the immune response may become fragmented
Solution Approach 1:
The vaccine utilizes parameter changes by controlling the pairwise edit distances between antigens within specific ranges (at least 10% but no more than 98% of average antigen size). This parameter optimization ensures antigens are sufficiently diverse to cover multiple strains while maintaining enough similarity to elicit a consistent, unified immune response across all antigen components.
Data Source
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AI summary
Described herein are compositions of and methods of making vaccines which can provide broad serological reactivity an inverse dose response, and a swarm effect.