Over 145 mustangs being held in a holding facility died of equine flu because it was short-staffed and the horses were “high-strung".

The highly-contagious viral diseases Equine Infectious Anemia and Equine Influenza pose a great risk to horse populations.

Three horses have tested positive for Equine Influenza at the World Equestrian Center in Ohio. The clinic released a statement with biosecurity measures.

Horseracing in the UK will resume Wednesday amid enhanced biosecurity measures after being shut-down last Thursday by an equine flu scare.

The FEI has issued guidelines to the equestrian community to protect horses from and prevent transmission of equine influenza, after multiple outbreaks.

A veteran UK trainer has criticized poor hygiene in racecourse stables following the cancellation of all UK racing in an effort to contain equine flu.