Research and analysis

Equine viral arteritis: epidemiology reports, 2019

Epidemiology reports published in 2019 on the investigation of equine viral arteritis outbreaks in the UK.

Documents

Epidemiology report detailing the investigation of an outbreak of EVA virus on 2 connected premises in Dorset and Devon, March and April 2019

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Details

Equine viral arteritis (EVA) is occasionally detected in the UK in stallions which are tested for pre-breeding or for export purposes.

Under the EVA Order (1995) the disease is only notifiable in stallions and in mares which have been mated or inseminated in the past 14 days.

Dorset and Devon, March and April 2019

APHA has confirmed equine arteritis virus (EAV) infection by PCR testing of semen samples taken from:

  • 3 non-thoroughbred dressage stallions on a premise in Dorset
  • a single stallion on a premise in Devon

Shropshire, July 2019

APHA has confirmed EAV infection by PCR testing of a semen sample taken from a pony stallion on a premise in Shropshire. The infection was initially discovered by routine private pre-breeding ELISA-based serology testing.

There is no evidence to suggest a connection between the Shropshire case, and the Devon and Dorset cases. The owner has castrated the stallion to make sure there’s no risk of EVA spreading through future breeding activities.

Published 13 August 2019
Last updated 27 September 2019 + show all updates
  1. Published EVA Shropshire report, July 2019

  2. First published.