22nd October 2008. Sudbury, Suffolk, UK. Leading researchers from Ohio State University reported some ground breaking findings at the recent IPVS Congress in Durban1 with potential major impact for pig producers worldwide. Steve Krakowka and his team have shown that a new, difficult to control organism, Porcine Torque Teno Virus (TTV) can potentiate both PCV2 and PRRSV infections in pigs.