R&D RECOMBINANT VACCINE ND+PPRadmin2022-08-31T21:32:16+01:00 Long term immunity against Peste Des Petits Ruminants mediated by a recombinant Newcastle disease virus vaccineF.Z. Fakri, Z. Bamouh, S. Elmejdoub, Z. Elkarhat, K. Tadlaoui, W. Chen, Z. Bu, M. Elharrak aRECOMINANT VACCINE ND+PPR 2021