Figure 1
From: An agent-based approach for modeling dynamics of contagious disease spread
Different states of the SEIR infection model, to simulate the progress of and epidemic in a human population. LPi: latency period, IPi: infectious period, ti: first day that an individual is exposed to the virus for the first time, xLP: number of days for an exposed individual to become infective, and xIP: number of days for an individual to recover from the disease.