Insertion of a gene expressing granulocyte-macrophage colony-stimulating factor (hGM-CSF) - Functional deletion of two genes (ICP34.5 and ICP47) of the HSV-1 genome
Genetic modifications of the nOPV2 vaccine candidates aimed at stabilizing the genetic sequence against reversion compared to the Sabin-2 strain, nOPV2 candidate 1 (S2/cre5/S15domV/rec1/hifi3), nOPV2 candidate 2 (S2/S15domV/CpG40)
Genes of the human Parainfluenza virus fusion (F) and hemagglutinin-neuraminidase (HN) proteins; gene of the human Respiratory syncitial virus fusion protein (RSV F).