The SIR model is one of the simplest ways to understand the spread of a disease such as COVID-19 (Coronavirus) through a population. This version of the model includes an ‘incubation time’ which represents the time delay between catching the disease and becoming infectious.
You can explore the incubation model for yourself using an interactive tool from Mathigon here.
[…] Finally, the effects of an ‘Incubation Time’ for the disease are investigated here. […]