"This “European surveillance network for influenza in pigs (ESNIP) 3” will maintain and expand surveillance networks established during previous EC concerted actions (ESNIP 1, QLK2-CT-2000-01636; ESNIP 2, SSPE-022749). Three work packages (WP 2, 3, 4) aim to increase the knowledge of the epidemiology and evolution of swine influenza (SI) virus (SIV) in European pigs through organised field surveil ...