Table 1.

Description of parameters.

parameter	description	value	References
$\mathit{\beta }$	Transmission rate	calculated from $R_t$	–
${\mathit{c}}_{\mathit{ij}}$	Contacts of age group $j$ made by age group $i$	estimated	[23]
${\mathit{m}}_{\mathit{i}}$	Probability of clinical symptoms for age group $i$	estimated	[8]
${\mathit{h}}_{\mathit{i}}$	Probability of a clinical case in ICU bed for age group $i$	estimated	[24]
$1/\mathit{\sigma }$	Latent period (days)	2.9	[[25], [26]] [[,26]
$1/{\mathit{\tau }}_{\mathit{s}}$	Delay from exposure to self-isolation (days)	1-2 (varied)	–
$1/\mathit{\rho }$	Delay from symptoms onset to hospitalization from self-isolation (days)	$1/\sigma +1/\omega -1/{\tau }_s$	–
$1/\mathit{\omega }$	Delay from symptom onset to hospitalization (days)	4.64	[27,28]
$1/{\mathit{\tau }}_{\mathit{a}}$	Delay of testing results (days)	1-2 (varied)	–
$1/{\phi }_{\mathit{c}}$	Duration of ICU stay (days)	9	[29]
$1/{\phi }_{\mathit{h}}$	Duration of hospitalization (days)	10	[30]
$1/\mathit{\gamma }$	Duration of infectiousness (days)	7	[25,31]
$1/{\mathit{\gamma }}_{\mathit{sc}}$	Duration of subclinical who isolation before recovery (days)	$1/\gamma -1/{\tau }_a$	–
$1/{\mathit{\gamma }}_{\mathit{s}}$	Duration of subclinical who self-isolation before recovery (days)	$1/\sigma +1/\gamma -1/{\tau }_s$	–
$1/{\mathit{\mu }}_{\mathit{c}}$	Duration from ICU admission death (days)	7	[29,32]
${\mathit{d}}_{\mathit{c}}$	Death rate of ICU patients	0.007	[33]
$\mathit{\delta }\left(\mathit{t}\right)$	Fraction of testing	varied	–
$\mathit{y}\left(\mathit{t}\right)$	Probability of self-quarantine	varied	–
$\mathit{f}$	Relative infectiousness of subclinical cases	0.5	[26]