This is to simulate how a disease would affect a population under two conditions, normal circumstances where no action is taken, or lock down, where all healthy citizens are instructed to stay home. The statistics are approximated and are not completely accurate due to the way that the people move and contact each other.
You can choose the two modes. After you have chosen the mode, then you have 5 seconds to adjust the population. Then watch the simulation. Green: Not Infected Purple: Infected Blue: Recovered Black: Dead