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Viral vaccine vectors discussed in this review and their characteristics
| Vector | Type of virus | Cargo capacity (kb) | Predominant immune response | Clinical development stage |
|---|---|---|---|---|
| Cytomegalovirus | DNA | >6 | CD4+, CD8+ and antibodies | Phase I |
| Novel adenoviruses | DNA | 7 | CD8+ and antibodies | Phase II |
| Vesicular stomatitis virus | ‐ssRNA | 6 | Antibodies and some CD4+, CD8+ | Phase III |
| Measles virus | ‐ssRNA | >6 | CD4+ and antibodies | Phase I |
