EDCC Reports No New Herpesvirus Cases in California

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The Equine Disease Communication Center (EDCC) offers alerts about equine diseases that have been confirmed by reliable sources. The following information is from the EDCC. The following reports are in chronological order from most recent to oldest from previous reports.

Inyo County, CA, Herpesvirus Update

No additional confirmed cases of EHM, EHV-1 or new febrile horses have been identified at this time. This incident has two EHM cases and one EHV-1 confirmed case. Both of the EHM cases continue to show improvement and all three are no longer shedding virus. All three cases have been caused with the neurotrophic strain of the EHV-1. The affected horses are part of a wintering pack string of horses and mules on an isolated, high desert ranch. These horses/mules were placed under quarantine with no movement allowed in order to limit disease transmission. The investigation of this disease outbreak is continuing by CDFA staff. Enhanced biosecurity is in place and we appreciate the cooperation and assistance from owner and private veterinarian. 

California LAEC Herpesvirus Update

There are currently four horses in quarantined isolation at the Los Angeles Equestrian Center. Three of these horses are no longer shedding EHV-1 virus. One of the horses continues to shed virus and will be resampled for diagnostic EHV-1 testing. None of these four horses are febrile or showing neurologic symptoms at this time. Only horses in C Barn continue to be quarantined. There have been no new febrile horses over the past five days in C Barn. The LAEC incident has had a total of 15 EHV-1 confirmed cases, all of those caused by the non-neurotrophic strain EHV-1 virus. Enhanced biosecurity measures continues in C Barn under quarantine and all horses’ temperatures continue to be monitored twice daily.

About EDCC

The Equine Disease Communication Center works to protect horses and the horse industry from the threat of infectious diseases in North America. The communication system is designed to seek and report real time information about disease outbreaks similar to how the Centers for Disease Control and Prevention (CDC) alerts the human population about diseases in people.

The goal of the EDCC is to alert the horse industry about disease outbreak information to help mitigate and prevent the spread of disease. Ultimately frequent and accurate information about diseases outbreaks improves horse welfare and helps to prevent negative economic impact that can result from decreased horse use due to a fear of spreading infection. As part of the National Equine Health Plan the EDCC will serve as part of the communication to help educate and promote research about endemic and foreign disease.

Working in cooperation with state animal health officials and the United State Department of Agriculture, the EDCC seeks information about current disease outbreaks from news media, social media, official state reports and veterinary practitioners. Once information is confirmed, it is immediately posted on this website and messages sent to all states and horse organizations by email. Daily updates are posted until each outbreak is contained or deemed no longer a threat.

The EDCC is made possible by generous donations from organizations and horse owners. Please visit our sponsors that have generously supported this program for the benefit of the health and welfare of horses. To learn how you can help go to SUPPORT.