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. 2023 Apr 9;8(2):374–389. doi: 10.1016/j.idm.2023.04.002

Table 3.

New parameters introduced in the vaccines and subpopulations model development.

Parameter Description Value or Prior Distribution Used Units
γi(t) Ratio of infected vaccinated individuals versus the number of infected unvaccinated individuals γV(t): people
Line interpolated from γV(0) to γV(N)
γU(t):
1
γi(0) Initial ratio of the number of infected vaccinated individuals i to the number of infected individuals from the unvaccinated subpopulation γV(0): people
Tri(a = 0, b = 1, c = 0.8) high risk VE,
Tri(a = 0, b = 1, c = 0.5) medium risk VE,
Tri(a = 0, b = 1, c = 0.2) low risk VE,
γU(0):
1
γi,MOD Percentage γi(0) increases towards 1 (no vaccine immunity) Tri(a = 0, b = 1, c = 0.3) %
γi(N) End value of the vaccine parameter for subpopulation i γV(N)=γV(0)+(1γV(0))γV,MOD people
PV Percent of the total population that is fully vaccinated. 95 %
PU Percent of the total population that is unvaccinated. 5 %