🌳 Outbreak Chains: Superspreading, Overdispersion and Contact Tracing

A stochastic branching-process lab: watch a transmission tree grow over a low-poly town, then change R, the dispersion k, the number of starting cases and isolation or forward/backward contact tracing. Exact theory (extinction probability, chain-size distribution, top-10% share) is checked live against seeded Monte-Carlo ensembles with confidence intervals. Educational model, not for forecasting.

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install