Shamonda-like virus confirmed on two dairy farms in Cork
Shamonda Virus Confirmed in Ireland
The Shamonda-like virus (SHAV) continues to spread across Europe, with cases previously reported in France, Germany, Switzerland, Liechtenstein, the Netherlands, Jersey, Belgium and Austria.
For the first time, the disease has now been confirmed in Ireland. Shamonda virus has recently been identified in three cows on two separate dairy farms in County Cork.
Affected cattle may show:
- Fever
- Diarrhoea
- Lethargy
- A mild drop in milk production
- Mild respiratory signs
What is Shamonda Virus?
Shamonda virus is a midge-borne disease spread by biting Culicoides midges and is closely related to the Schmallenberg virus. While cattle appear to be the primary species affected, the virus has also been detected in other animal species across Europe.
As with Schmallenberg virus, infection during pregnancy may result in abortions, stillbirths or congenital defects in newborn animals.
Developments Across Europe
Recent findings from other European countries highlight the evolving nature of this disease:
- In Switzerland, the virus has been detected in horses showing neurological signs, with viral material identified in brain samples from two animals.
- In Belgium, Shamonda virus has been detected in aborted bovine foetuses, supporting evidence that the virus may be capable of transplacental transmission.
What Farmers Need to Know
At present: ✅ There is no vaccine available against Shamonda virus.
✅ There is no specific treatment for infected animals.
✅ There are no movement or trade restrictions associated with the disease.
✅ There are no known human health or food safety concerns linked to Shamonda virus.
The situation is continuing to develop, and further information is expected as surveillance and research progress.
If You Have Concerns
If you notice unexplained illness, reduced milk production, reproductive issues, abortions, or congenital abnormalities in your herd, please contact Valley Veterinary for advice. Early reporting and investigation of suspect cases will help improve our understanding of this emerging disease and support ongoing surveillance efforts.
Our team will continue to monitor developments closely and provide updates as more information becomes available.
Valley Veterinary remains committed to keeping farmers informed about emerging livestock diseases and helping protect the health and productivity of your herd.