PRRSV-Vaccinated, Seronegative Sows and Maternally Derived Antibodies (II): Impact on PRRSV-1 Vaccine Effectiveness and Challenge Outcomes in Piglets, Jorian, Fiers, Maes Dominiek, Cay Ann-Brigitte, Frank Vandenbussche, Laurent Mostin, Parys Anna, and Tignon Marylène , Vaccines, Jan-03-2024, Volume 12, Issue 3, (2024)