Rhodococcus equi-What is New This Decade? An Overview of Equine Enteric Clostridial Diseases Salmonella in Horses Potomac Horse Fever Equine Rotaviral Diarrhea Equine Coronaviruses Infectious Causes of Equine Placentitis and Abortion Hendra Virus: An Update on Diagnosis, Vaccination, and Biosecurity Protocols for Horses Eastern, Western, and Venezuelan Equine Encephalitis and West Nile Viruses:Clinical and Public Health Considerations Streptococcus equi Subspecies equi Equine Granulocytic Anaplasmosis Vesicular Stomatitis Virus