Fig. 4
From: COVID-19 seeding time and doubling time model: an early epidemic risk assessment tool

Use of the ST/DT Model to conduct risk assessments for 45 countries and territories with cumulative total numbers of cases between 100 and 500 as of 31 March 2020. a European Region, b Eastern Mediterranean Region, c Region of the Americas, and d African Region. All countries’ ST and DT placed them in the high risk quadrant except for Georgia, Belarus, Kuwait, Oman, and the occupied Palestinian territory, which were assessed as moderately low risk (long DT, but short ST) and Nigeria, which was assessed as moderately high risk (long ST, but short DT)