Equine Health Update Issue 1 Volume 16 - Page 6

was confirmed in Germany. Outbreaks involving Standardbred trotters and a pony were recorded on separate premises in Sweden, one of which was a racetrack. The UK confirmed at least eight outbreaks of equine influenza in as many counties, the vast majority involving unvaccinated horses. The clinical severity of disease varied sig­nificantly among affected horses. Equine arteritis virus was isolated from the semen of a carrier stallion in France. Equine herpesvirus-1 and -4 related diseases were reported by France, Germany