Potential Reverse Spillover of Infectious Bursal Disease Virus at the Interface of Commercial Poultry and Wild Birds

Overview

Journal Virus Genes

Specialties Microbiology
Molecular Biology

Date 2020 Sep 24

PMID 32970296

Citations 3

Authors

Rania F El Naggar

Mohammed A Rohaim

Muhammad Munir

Affiliations

Soon will be listed here.

Abstract

Recently, multiple spillover events between domesticated poultry and wild birds have been reported for several avian viruses. This phenomenon highlights the importance of the livestock-wildlife interface in the possible emergence of novel viruses. The aim of the current study was to investigate the potential spillover and epidemiological links of infectious bursal disease virus (IBDV) between wild birds and domestic poultry. To this end, twenty-eight cloacal swabs were collected from four species of free-living Egyptian wild birds (i.e. mallard duck, bean goose, white-fronted goose and black-billed magpie). Genetic and phylogenetic analysis of three positive isolates revealed that the IBDV/USC-1/2019 strain clustered with previously reported very virulent IBDV (vvIBDV) Egyptian isolates. Interestingly, two other wild bird-origin isolates (i.e. IBDV/USC-2/2019 and IBDV/USC-3/2019) grouped with a vaccine strain that is being used in commercial poultry. In conclusion, our results revealed the molecular detection of vaccine and vvIBDV-like strains in Egyptian wild birds and highlighted the potential role of wild birds in IBDV epidemiology in disease-endemic regions.

Citing Articles

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Genotyping and Molecular Characterization of Infectious Bursal Disease Virus Identified in Important Poultry-Raising Areas of China During 2019 and 2020.

Jiang N, Wang Y, Zhang W, Niu X, Huang M, Gao Y Front Vet Sci. 2021; 8:759861.

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