Fig. 3: The effect of travel restriction (14-day quarantine) on contacts per imported case of SARS-CoV-2.
From: Genomic assessment of quarantine measures to prevent SARS-CoV-2 importation and transmission

The estimated marginal mean number of contacts per imported case a overall, b by age-group and c by date of test comparing countries with travel restriction guidance (closed ‘travel-corridors’) in place and those without (open ‘travel-corridors’). All points are estimated marginal means and are provided with 95% confidence intervals.