Fig. 1From: Decision-based interactive model to determine re-opening conditions of a large university campus in Belgium during the first COVID-19 waveGraphic representation of the two-population model. A Susceptible-Exposed-Infected-Removed (SEIR) model was used for the external population (in red). An extended SEIR model was used for the university population (in blue). Arrows indicate transitions between compartments. In particular κ/β represents the relative importance of the university population mixing with the urban populationBack to article page