C12N2770/36244

FLEXIBLE EXPRESSION VECTOR SYSTEMS AND APPLICATION OF SAME TO VACCINES AND IMMUNOTHERAPEUTICS

The present invention relates to an expression vector that encodes all or a portion of replicon proteins from a positive stranded virus, wherein expression of the replicon proteins is under the control of CMV and T7 promoters, and wherein expression of a payload is under the control of a sub-genomic promoter. Also provided are methods of using the vector in therapeutics and vaccines.