Table 2. Transitions of the SEIR process model.

At the beginning of each aggregation period the number of new cases, C, is reset to 0.

Name	(ΔS, ΔE, ΔI, ΔR, ΔC)	Propensity
unvaccinated birth	(1, 0, 0, 0, 0)	α{1 − v(t)}N0
vaccinated birth	(0, 0, 0, 1, 0)	αv(t)N0
death of S	(−1, 0, 0, 0, 0)	αS
death of E	(0, −1, 0, 0, 0)	αE
death of I	(0, 0, −1, 0, 0)	αI
death of R	(0, 0, 0, −1, 0)	αR
importation	(−1, 1, 0, 0, 0)	ζS/N0
transmission	(−1, 1, 0, 0, 0)	β(t)SI/N0
becoming infectious	(0, −1, 1, 0, 0)	ρI
recovery	(0, 0, −1, 1, 1)	γI