Table 1.

Parameters of the discrete-time SALIR transmission model

Parameter	Definition	Input value	Discrete-time SALIR	Reference/source
p	The probability of not developing symptoms throughout the course	0.179	NA	8
${\displaystyle {\beta }_A}$	The transmission coefficient of the A class	NA
${\displaystyle {\beta }_L}$	The transmission coefficient of the L class	NA	2.00×10-8	Calibrated
$${\displaystyle {\beta }_I}$$	The transmission coefficient of the I class	NA	3.20×10-7	Calibrated
$${\displaystyle \sigma }$$	The transition rate of individuals from the L class to the I class	0.200/day	NA	23–25
$${\displaystyle \mu }$$	The case fatality rate of the I class	0.00150/person-day	NA	8
$${\displaystyle {\gamma }_A}$$	The recovery rate of the A class	NA	0.130/day	Calibrated
$${\displaystyle {\gamma }_I}$$	The recovery rate of the I class	0.0590/day	NA	26
r	Fraction moving into social distancing	NA	0.145	Calibrated
St=0	Initial number in the S class	9 000 000	NA	38
At=0	Initial number in the A class	6	NA	Imputed
Lt=0	Initial number in the L class	252	NA	Imputed
It=0	Initial number in the I class	280	NA	Imputed

NA, not applicable.