PRRSV-Vaccinated, Seronegative Sows and Maternally Derived Antibodies (I): Impact on PRRSV-1 Challenge Outcomes in Piglets, Jorian, Fiers, Maes Dominiek, Ann-Brigitte Cay, Laurent Mostin, Anna Parys, and Tignon Marylène , Vaccines, Jan-12-2023, Volume 11, Issue 12, (2023)