Fig. 2
From: Source identification via contact tracing in the presence of asymptomatic patients
a The flow diagram of the DCS and DDE epidemic models. b A possible epidemic outbreak in the Tubingen mobility model, and c the Household network model. The large grey circles mark households, and the purple nodes mark places, otherwise we use the same coloring as in a. In both cases b and c, the transmission paths are \((v_2, v_4, v_5, v_8)\). In subfigure b, time (t) is measured in days, relative to some arbitrary initial time, since the infection time of the source is unknown