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. 2021 Dec 28;7(1):184–198. doi: 10.1016/j.idm.2021.12.006

Table 8.

Expected number of infected vaccinated travellers per large outbreak (model output 3). Columns headings 0%, 70%, 80%, and 90% refer to the percentage of 12-to-64-year-olds that are vaccinated in the community; all scenarios (except 0% coverage) assume 90% of over 65-year-olds are fully vaccinated. Results are from 100,000 independent simulations representing 100,000 infected travellers. For scenarios in which less than 100 of the 100,000 simulations resulted in a large outbreak, the number of infected travellers per large outbreak is shown as >1000.

Post-arrival Pre-depart 0% 70% 80% 90%
None Symp check only 6 12 15 22
Regular symptom checks No test 7 15 20 33
PCR on day −3 7 15 20 32
LFT on day −1 8 16 21 35
PCR on days 0 & 4 No test 8 21 30 52
PCR on day −3 9 21 30 52
LFT on day −1 9 22 31 56
Daily LFT for 5 days No test 11 30 43 79
PCR on day −3 12 30 44 82
LFT on day −1 12 30 46 83
5 day isolation + PCR on days 0 & 4 No test 13 40 58 111
PCR on day −3 14 39 61 109
LFT on day −1 14 42 65 111
5 day isolation + daily LFT No test 19 59 89 157
PCR on day −3 19 58 90 154
LFT on day −1 21 59 98 164
7 day MIQ + PCR on days 0 & 4 No test 649 >1000 >1000 >1000
PCR on day −3 617 >1000 >1000 >1000
LFT on day −1 641 >1000 >1000 >1000
14 day MIQ + PCR on days 3 & 12 No test >1000 >1000 >1000 >1000
PCR on day −3 >1000 >1000 >1000 >1000
LFT on day −1 >1000 >1000 >1000 >1000