Efficacy of an inactivated and a fowlpox-vectored vaccine in Muscovy ducks against an Asian H5N1 highly pathogenic avian influenza viral challenge.

Last updated on 15-8-2023 by Anonymous (not verified)

Peer reviewed scientific article



The efficacy of an inactivated vaccine containing the Eurasian isolate A/chicken/Italy/22A/98 H5N9 (H5N9-It) was compared with that of the fowlpox-vectored TROVACTM-AIV H5 (rFP-AIV-H5) vaccine against an H5N1 highly pathogenic avian influenza challenge. Five-week-old Muscovy ducks were vaccinated with either H5N9-It (0.5 ml) or rFP-AIV-H5 (5 log10 50% tissue culture infectious dose (TCID50)/dose), followed by a boost at 7 wk of age with the same vaccine (1.0 ml of H5N9-It or 5 log10 TCID50/dose rFP-AIV-H5), and a challenge at 9 wk of age with 10(7) egg infectious dose (lethality 50%) of A/c…

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