Figure 1From: Infectiousness of pigs infected by the Porcine Reproductive and Respiratory Syndrome virus (PRRSV) is time-dependentExperimental design of the transmission experiment. Black triangles: infected piglets, white triangles: negative control piglets, white squares: contact piglets. CD7 to CD63: contact groups from 7 to 63 dpi. IC: Inoculated with contacts, IWC: inoculated without contact. T-: control group.Back to article page