Data provided by Merck Animal Health represents cases submitted from a sample of equine veterinary practices and confirmed at UC Davis PCR Laboratory. These biweekly newsletters show the number of cases of Equine Herpesvirus-1 (EHV-1), Equine Herpesvirus-4 (EHV-4), Equine Influenza Virus (EIV) and Streptococcus equi that were confirmed and reported in each region of the United States by participating practices and do not necessarily represent the frequency of disease in the United States. The data is provided for informational purposes only and is intended to be used to help veterinarians and owners determine best practices for biosecurity at home and when travelling with their horses. View the Merck Animal Health Equine Biosurveillance Newsletter for data reflecting cases confirmed between January 26th and February 9th.
The Equine Disease Communication Center posted 315 alerts reporting on 404 cases/outbreaks in 2017. Click here to view alert data showing the number of cases reported for individual diseases in each month of 2017.