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Poxvirus Strains Used as Immunization Vehicles132
| Vaccinia Virus |
| NYVAC (18 ORFs deleted) |
| MVA (adapted to CEF) |
| Avipoxvirus |
| Fowlpox—FPV/TROVAC |
| Canarypox—CPV/ALVAC (adapted to CEF) |
| Canarypox—ALVAC (2) (+ E3L and K3L genes) |
CEF: chicken embryonic fibroblasts, ORF: open reading frame
