Universal Pneumococcal Vaccine Antigen Simulator

Cellular Microenvironment: Opsonophagocytosis

● Capsule Escape Mutant (Red) ● PCV-Covered Serotype (Amber) ✦ Macrophage Engulfment (Active) Y Conserved Ab Target (Violet)

Systemic IgG Opsonin Titer: 85%

Mucosal Secretory IgA: 75%

Capsular Switch Rate: 1.5%

[T+0.0s] Sim initialized. Conserved 4-antigen chimera activated (PspA + PhtD + CbpA + PlyD4).

Population Serotype Spectrum (100+ Strains) Universal Protein Chimera

Pan-Serotype Cover

96.4%

Invasive Disease Red.

91.0%

Clearance Efficacy

92.0%

Replacement Risk

Minimal (<5%)

Conserved Protein Chimera Targets Sequence conservation across 12,000+ isolates

PspA (Clade 1/2)

Conservation98.2%

Lactoferrin blockYes

PhtD Surface Adhesin

Conservation99.4%

Zn²⁺ Scavenge blockYes

CbpA (PspC)

Conservation94.8%

Factor H inhibitYes

Pneumolysin (PlyD4)

Conservation99.9%

Cytolytic ToxoidNeutralized