Stronger Interference of Avian Influenza Virus-Specific Than Newcastle Disease Virus-Specific Maternally Derived Antibodies with a Recombinant NDV-H5 Vaccine.

Last updated on 23-8-2019 by Anonymous (not verified)

Peer reviewed scientific article

SCIENSANO

Abstract:

Maternally derived antibodies (MDA) are known to provide early protection from disease but also to interfere with vaccination efficacy of young chicks. This interference phenomenon is well described in the literature for viral diseases such as infectious bursal disease, Newcastle disease (ND), and avian influenza (AI). The goal of this work was to investigate the impact of H5 MDA and/or ND virus (NDV) MDA on the vaccine efficacy of a recombinant NDV-H5-vectored vaccine (rNDV-H5) against two antigenically divergent highly pathogenic AI (HPAI) H5N1 challenges. In chickens with both H5 and NDV

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