Interferon sensitive recombinant poxvirus vaccine

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Virus or component thereof

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4352351, 435236, 4242321, 935 32, 935 65, A61K 39275, A61K 39285, C12N 701

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active

053784570

ABSTRACT:
What is described is a recombinant poxvirus, such as vaccinia virus, having enhanced sensitivity to interferon. In one embodiment, the recombinant poxvirus has an open reading frame conferring resistance to interferon deleted therefrom. In another embodiment, the recombinant poxvirus is modified to disrupt K3L gene expression. What is also described is a vaccine containing the recombinant poxvirus having enhanced sensitivity to interferon so that the vaccine has an increased level of safety compared to known recombinant poxvirus vaccines.

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