Table 2.

Numerical value of total averted infections and cost of each strategy.

Strategies	Optimal Controls	Total Averted Infection	Total Cost
1	$u_1^{*}$	1.4963	$2.0481\times {10}^3$
3	$u_3^{*}$	18.4577	$2.0180\times {10}^3$
2	$u_2^{*}$	765.5569	$842.5959$
4	$u_2^{*},u_3^{*}$	773.8898	$1.5202\times {10}^6$