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large deviations 1Monte Carlo simulation 1particle noise 1reaction-diffusion 1speed fluctuations 1stochastic fronts 1

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q-bio.PE2026

Spatial spread of infection: transitions between pulled and pushed fronts

Evgeniy Khain, Rohan Sukumar

We consider the spatial spread of epidemic into an unstable, healthy state. When the transmission rate depends on the fraction of infected, the propagating pulse of infection can b…