| http://www.w3.org/ns/prov#value | - Any of a variety of insertions, mutations or deletions of the vaccinia virus known in the art can be used herein, including insertions, mutations or deletions of: the thymidine kinase (TK) gene, the hemagglutinin (HA) gene, the VGF gene (as taught in U.S. Pat. Pub.
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