Corpus ID: 221516128

Brownian frogs with removal: pandemics in a diffusing population

  title={Brownian frogs with removal: pandemics in a diffusing population},
  author={G. Grimmett and Zhongyang Li},
  journal={arXiv: Probability},
A stochastic model of susceptible/infected/removed (SIR) type, inspired by COVID-19, is introduced for the spread of infection through a spatially-distributed population. Individuals are initially distributed at random in space, and they move continuously according to independent random processes. The disease may pass from an infected individual to an uninfected individual when they are sufficiently close. Infected individuals are permanently removed at some given rate $\alpha$. Two models are… Expand

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