Fig. 2From: A multi-layer network model to assess school opening policies during a vaccination campaign: a case study on COVID-19 in FranceSchematic of the four-layered network structure with a sample realization of the four distinct layers in a time-step t (top), and of the corresponding aggregate network of interactions (bottom). Orange nodes represent children (which are partitioned into two classes in the same building), blue nodes represent adultsBack to article page