Sets
M	Set of severity levels
N	Set of population age-group
O	Set of regions
P	Set of available hospital resources
W	Set of available antiviral types
Indices
i	Index for severity level
j	Index for population group
k	Index for region
r	Index for resource type
v	Index for antiviral type
Parameters
${\alpha }_i$	Case fatality rate of individuals in severity level i who did not get needed resource
${\beta }_i$	Case fatality rate of individuals in severity level i who received proper resources
$CA{P}_v$	Total number of antiviral type v available
$A_{i,j,v}^{}$	Probability that group j will be in severity level i for antiviral given
$D_{i,r}$	Amount of hospital resource r needed by individual in severity level i
$S_{r,k}$	Total available resource r in region k
$X_{j,k}^T$	Total number of infected symptomatic individuals in population group j in region k
Variables
$u_{r,k}^{}$	Actual number of resource type r used in region k
$x_{j,k,v}^A$	Number of individuals in population group j in region k that were given antiviral v
$y_{i,k,v}^A$	Number of individuals in severity level i in region k after they were given antiviral v
$y_{i,k}^N$	Number of individuals in severity level i, in region k who did not receive required hospital resources
$y_{i,k}^P$	Number of individuals in severity level i in region k who received required hospital resources
$y_{i,k}^T$	Total number of individuals in severity level i in region k
$z{t}_k$	Total number of deaths in region k among those who had access to hospital resources
$z{u}_k$	Total number of deaths in region k among those who did not have access to required hospital resources