Table 1 Parameter values used in a COVID-19 importation risk model to Canada

Time spent in non-Canadian country (days) for Canadian travellers

\({t}_{c}\)

Νormal (mean, SD)

mean = 15, SD = 2

[25]

Time spent in non-Canadian country (days) for Foreign travellers

NA

Time since beginning of pandemic to date of travel to Canada

Assumed

Latent period (days)

NA

Νormal (mean, SD)

mean = 3.5, SD = 1

[35,36,37]

Infectious period (days)

NA

Νormal (mean, SD)

mean = 12, SD = 4

[35,36,37]

Time between pre-departure molecular test and travel to Canada (days)

\(\upmu\)

Fixed value

3

Assumed

Sensitivity (%)

\(Se\)

Fixed value

60

[38]

Vaccine effectiveness

\(Ve\)

Νormal (mean, SD)

mean = See Table A2

SD = 0.015

See Table A2