The International Collating Center, Newmarket, reported the following disease outbreaks.
Influenza was reported from France, Sweden, United Kingdom, and United States. the latter included an outbreak among Thoroughbred racehorses in Puerto Rico during June.
Eastern Equine Encephalitis (EEE) was reported in the United States causing mortality among horses in Alabama, Georgia, Kentucky, and Texas during the summer months.
Two Standardbred stallions in the United Kingdom were reported as being suspected of shedding equine arteritis virus in their semen.
Strangles as usual was the most widely reported disease, from Australia, Denmark, Ireland, Sweden, United Arab Emirates, and the United Kingdom. In several countries cases were reported on several premises.
The outbreak of Vesicular Stomatitis continued through the fall in the western United States. As of November 28, 380 cases had been confirmed on premises in Arizona (2), Colorado (272), New Mexico (68), and Utah (38) with a significant drop in the number of cases reported during November.
—Equine Disease Quarterly