Table 2.

List of state and testing-related variables used in the model

Variable	Meaning
S	Susceptible individuals
E	Exposed individuals
$I_{\mathrm{a}}$	Asymptomatic individuals for the whole course of infection
$I_{\mathrm{p}}$	Presymptomatic individuals, just before becoming symptomatic
$I_{\mathrm{s}}$	Symptomatic individuals (limit their contacts)
$I_{\mathrm{h}}$	Symptomatic individuals that avoid testing yet also limit their contacts
$I_{\mathrm{z}}$	Positively tested individuals isolated at home
$H_{\mathrm{R}}$	Hospitalized individuals that later recover
$H_{\mathrm{D}}$	Hospitalized individuals that eventually die
R	Recovered individuals
D	Dead individuals
L	External: importation cases during the initial epidemic phase
B	Positively tested symptomatic individuals to be reported
K	Cumulative number of confirmed cases