If you want to understand the impact of daily contact with other individuals, we invite you to check out the tool reported by David Louapre, a French physician. This tool is available here: https://sciencetonnante-epidemie.netlify.com/

He explains very clearly the chain reaction induced in a context of the propagation of an epidemic. The information is available on his website: https://sciencetonnante.wordpress.com/2020/03/12/epidemie-nuage-radioactif-et-distanciation-sociale/

Other simulators that can act as predictive tools are available here: https://jflorian.shinyapps.io/SIRmodel/ and here: https://epidemic.phoenix-it-services.com/