Equine infectious diseases 

The first detection of West Nile Virus (WNV) in UK mosquitoes has been confirmed in samples collected in July 2023 from wetlands near the River Idle in Nottinghamshire. This finding has only recently been reported following confirmatory testing and analysis. While notable, the current risk to horses and humans in the UK remains very low. Key Clinical and Epidemiological Points: • No equine or avian cases of WNV have been reported in the UK associated with local transmission. All confirmed e

The Réseau D’Épidémio-surveillance en Pathologie Équine (RESPE) has issued a call for vigilance to the French equine industry following confirmation of a further case of Equine Infectious Anaemia (EIA) in a department that is epidemiologically linked to cases confirmed in April. Four cases linked to this incident have so far been identified and euthanised as per standard control protocol. There are ongoing investigations and some impact locally on events in the vicinity of the affected p

The TBA has been advised of a positive serological test result(s) for Equine Viral Arteritis (EVA) in a thoroughbred mare. Two negative EVA serological test results dated after 1st January 2025 were provided to the stallion stud prior to covering, however a further blood test obtained from the mare (also taken prior to covering) has returned a positive result. This seropositive result indicates the presence of antibodies to EVA but does not confirm whether the mare is currently infected or has