Contagious Equine Metritis Outbreak
The USDA has informed local state regulatory and animal health professionals of a recent outbreak of Contagious Equine Metritis (CEM) within the United States. The outbreak originates from Kentucky. Veterinarians may be contacted by the California Department of Food and Agriculture and requested to collect biological serum samples and bacteria cultures on their behalf. This website provides step-by-step procedures on how these samples should be collected.

Vaccination Guidelines for Horse Owners
The most current vaccination guidelines (2007) for adult horses, yearlings, weanlings and foals.

Wildfire Smoke and Horses
The severe fires in southern California exposed humans and animals to unhealthy air containing wildfire smoke and particulates. Because little information is available to horse owners and even equine veterinarians on the effects on horses of breathing air laden with particulates, some suggestions are offered here to serve as a general guide.

Equine Herpesvirus-1
Information on EHV-1 will continue to be posted on this site to provide awareness to California horse owners regarding the infection. Includes EHV-1 vaccination information.

West Nile Virus
West Nile Virus (WNV) was a serious problem in California in 2007. The Center for Equine Health would like to remind horse owners to remain vigilant about keeping their horses' vaccinations current and to follow recommendations to prevent the spread of this mosquito-borne disease.