A logistic model of CoV-2 propagation

We describe an elemental logistic model for the propagation of CoV-2 in a community and illustrate the sensitivity of the model to key parameters such as R ₀ , the initial rate of infections per infected person, and A ₀ , the fraction of infected people developing neutralizing antibodies. We demonstrate the importance of the duration of immunity in the population, the development of waves of new cases of infection, and the effect of premature opening of local economies.