Transmission of equine influenza virus during an outbreak is characterized by frequent mixed infections and loose transmission bottlenecks. - Hughes, J; Allen, RC; Baguelin, M; Hampson, K; Baillie, GJ; Elton, D; Newton, JR; Kellam, P; Wood, JLN; Holmes, EC; Murcia, PR (PLoS Pathogens, 2018)