"Recombinant Viral VaccinePTNCI" . . "C1572"^^ . "Recombinant Viral Vaccine"^^ . "Recombinant Viral Vaccine"^^ . "Pharmacologic Substance"^^ . "C0281606"^^ . "Recombinant Viral VaccinePTNICHD" . . . "A vaccine produced from genetically engineered viral vector by introduction of foreign genetic materials to activate immune response in a host.NCI" . . "NICHD"^^ . "Recombinant_Viral_Vaccine"^^ . . . "Immunologic Factor"^^ .