Avian metapneumovirus infections in poultry flocks in Poland - molecular evidence for emerging divergence from vaccine strains.

Authors

Kamila Dziadek, Joanna Sajewicz-Krukowska, Anna Lisowska, Justyna Opolska, Marcin Śmiałek, Katarzyna Domanska-Blicharz

Published in

Avian pathology : journal of the W.V.P.A. Pages 1-14. Sep 23, 2026. Epub Sep 23, 2026.

Abstract

Despite use of aMPV vaccines, clinical signs of disease caused by aMPV infection with field strains were widely reported in poultry production in Poland.The strains detected formed a distinct cluster of "Polish field strains".Two complete aMPV-B genomes revealed several non-synonymous mutations, especially in G and SH genes, that may account for the poor protection provided by the vaccines.Phylogenetic analysis of two Polish complete genomes revealed a significant genetic distance from available aMPV-B strains.

PMID:
42775853
Bibliographic data and abstract were imported from PubMed on 23 Sep 2026.

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