Comparison of a policy ensuring all visitors must be effectively vaccinated but not having testing “effective visitor vaccination”) against other policies.

A: Boxplots of Total Infections and Hospitalisation under “effective visitor vaccination” (v_A = v_B = 1). B Boxplots of % relative differences in Total Infections and Hospitalisation seen under various testing regimes at differing levels of effective vaccination for visitors compared to “effective visitor vaccination” as a control. In B % relative differences are calculated between simulations made with the same Latin Hypercbe (LH) sample, see Eq 4. Testing regimes used in comparisons are “No Testing”, “Pre-Travel RT-PCR”, “Pre-Match RT-PCR”, “Pre-Match RA” or “RT-PCR then RA” testing regimes (see Table 7). Levels of effective vaccination for visitors in the comparisons are v_A = v_B = 0, v_A = v_B = 0.25, v_A = v_B = 0.5 and v_A = v_B = 0.75. The white dots on the boxplots represent mean values. All parameters other than those relating to effective vaccination for visitors (v_A and v_B) are drawn using LH sampling from distributions outlined in Tables 2, 3 and 5.