Table 2.

List of parameters used in the transmission model for COVID-19 in Ontario, Canada

	Definition	Mean (Std)	Source
Parameter
$p_1^H$	Relative increase of the weight of the contact matrix for household settings from phase 0 to phase 1	0.1320 (0.0866)	Estimated
$p_1^C$	Relative increase of the weight of the contact matrix for community settings from phase 0 to phase 1	0.0685 (0.0642)	Estimated
$p_2^H$	Relative increase of the weight of the contact matrix for households from phase 1 to phase 2	0.2832 (0.1807)	Estimated
$p_2^C$	Relative decrease of the weight of the contact matrix for community settings from phase 1 to phase 2	0.3283 (0.1575)	Estimated
$p_3^H$	Final relative increase of the weight of the contact matrix for household settings in phase 3	0.0436 (0.0593)	Estimated
$p_3^W$	Final relative decrease of the weight of the contact matrix for workplace settings in phase 3	0.5921 (0.0820)	Estimated
$p_3^C$	Final relative decrease of the weight of the contact matrix for community settings in phase 3	0.7888 (0.1697)	Estimated
$r_H$	Exponential increase in household contact rate	0.0379 (0.0532)	Estimated
$r_W$	Exponential decrease in workplace contact rate	0.4711 (0.0853)	Estimated
$r_C$	Exponential decrease in community contact rate	0.1019 (0.0461)	Estimated
${\beta }_i$	Probability of transmission per contact, age-dependent	Table 4	Estimated
$q_0$	Fraction of quarantined exposed individuals phase 0–2	0.1187 (0.0645)	Estimated
$q_b$	Maximum fraction of quarantined individuals exposed	0.7272 (0.0583)	Estimated
$r_q$	Exponential increase in quarantine fraction	0.0282 (0.0022)	Estimated
σ	Transition rate of exposed individuals to the infected class	1/5	[18]
λ	Rate at which the quarantined uninfected contacts were released into the wider community	1/14	[5]
ϱ	Probability of having symptoms among infected individuals	0.7036	[2]
${\delta }_{Ii}$	Transition rate of symptomatic infected individuals to the quarantined infected class	Table 4	Estimated
${\delta }_q$	Transition rate of quarantined exposed individuals to the quarantined infected class	0.3409 (0.1137)	Estimated
${\gamma }_I$	Removal rate of symptomatic infected individuals	0.1957	[2]
${\gamma }_A$	Removal rate of asymptomatic infected individuals	0.139	[5]
${\gamma }_D$	Removal rate of quarantined diagnosed individuals	0.2	[19]
α	Disease-induced death rate	0.008	[19]
θ	Modification factor of asymptomatic infectiousness	0.0275	[2]
Initial values
$S_i(0)$	Initial susceptible population	Table 4	Data [20]
$E_i(0)$	Initial exposed population	Table 4	Estimated
$I_i(0)$	Initial symptomatic infected population	Table 4	Estimated
$A_i(0)$	Initial asymptomatic infected population	Table 4	Estimated
$S_{q_i}(0)$	Initial quarantined susceptible population	0	Assumed
$E_{q_i}(0)$	Initial quarantined exposed population	0	Assumed
$D_i(0)$	Initial diagnosed population	Table 4	Incidence data
$R_i(0)$	Initial recovered population	0	Assumed

For the estimated parameters, we report the mean and standard deviation of the fitting results of the 1000 bootstrap realizations. For non-fitted parameters, the source is reported.