Figure 1From: An object simulation model for modeling hypothetical disease epidemics – EpiFlexExtended-SIRP disease model of Epiflex. S: susceptible I: Infected R: recovered P: partially immune F: fatality Extended SIRP breaks the infected stage I into 4: IIncubation, IProdromal, IManifestation, IChronic, and adds a fatality terminating stage..Back to article page