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. 2010 Feb 19;10:32. doi: 10.1186/1471-2334-10-32

Figure 1.

Figure 1

Scheme of Susceptible-Infectious-Recovered/Death (SIRD) Model. Boxes represent compartments and arcs represent flux between compartments. Figure 1 expands the classic Susceptible-Infectious-Recovered (SIR) model to capture the mortality.