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Updated: Dec 22, 2025

Rapid Diagnosis of Avian Influenza Virus in Wild Birds: Use of a Portable rRT-PCR and Freeze-dried Reagents in the Field

Rapid Diagnosis of Avian Influenza Virus in Wild Birds: Use of a Portable rRT-PCR and Freeze-dried Reagents in the Field

Published on: August 2, 2011

Spotlight on avian coronaviruses.

J J Sjaak de Wit^1,2, Jane K A Cook³

¹Royal GD, Deventer, the Netherlands.

Avian Pathology : Journal of the W.V.P.A

|May 7, 2020

Summary

This summary is machine-generated.

Coronaviruses cause enteric and respiratory signs in mammals and birds. Recombination between different coronavirus genera, like alpha/beta and gamma, is highly unlikely due to host replication incompatibilities.

Keywords:

Avian coronaviruses COVID-19 mammalian coronaviruses poultry wild birds

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Area of Science:

Veterinary Virology
Zoonotic Diseases

Background:

Coronaviruses (CoVs) are RNA viruses primarily causing enteric and respiratory symptoms.
Mammalian CoVs include SARS-CoV-2 (COVID-19) within the Alphacoronavirus and Betacoronavirus genera.
Avian CoVs are predominantly Gammacoronaviruses, with some Deltacoronaviruses.

Discussion:

Gammacoronaviruses are increasingly detected in diverse avian species, often via RNA detection.
Disease association in birds is confirmed for infectious bronchitis virus (chickens) and CoVs in turkeys, pheasants, and guinea fowl.
Recombination is documented between Gammacoronaviruses of different avian species and between Betacoronaviruses in mammals.

Key Insights:

Evidence for recombination between coronaviruses of different genera is currently lacking.
The simultaneous presence of different CoV genera within the same host cell is improbable.
Cross-genus CoV recombination, such as between alpha/beta and gamma genera, is considered extremely unlikely due to host replication limitations.

Outlook:

Further research into avian coronavirus epidemiology and pathogenesis is warranted.
Understanding CoV host tropism and replication mechanisms is crucial for assessing recombination potential.
Continued surveillance for novel CoVs in both avian and mammalian populations is essential.