TIE$3010$ Systems Thinking and DesignSTELLA Lab Session $2$The Epidemic Model $(30$ marks$)$A set of lessons called "Plagues and People," designed by John Heinbokel, scientist,and Jeff Potash, historian, both at The Center for System Dynamics at the VermontCommons School, develop the argument that epidemics have changed the course ofhistory. Both medical practitioners and those whose services are needed at such criticaltimes are interested in the dynamics of epidemics. This is a classic scenario in the studyof the dynamic of a very important system.