Figure 3From: EpiContactTrace: an R-package for contact tracing during livestock disease outbreaks and for risk-based surveillanceExample plots of a simple (a) and a more complex (b) contact structure between farms. The root is black, ingoing contact-farms are white, and farms reached through outgoing contacts are grey. Plots are generated using the EpiContactTrace example dataset Transfers with root 2838 and 2645.Back to article page