Recent Emergence of Neurological Equine Herpesvirus in Wisconsin: Urging a Deeper Understanding

In recent news, two shocking instances of neurological equine herpesvirus, or EHV-1, were reported from Wisconsin. The data, sourced from, indicated that the horses affected, one in Columbia County and another in Clark County, had severe infection and unfortunately, did not survive. EHV-1 is notorious for triggering severe neurological symptoms, striking fear in the horse owners' community.

Dealing With Potential Exposures and the Urgency of Biosecurity

In the Columbia County example, the number of other horses that might have been exposed to the virus remains shrouded in uncertainty. It calls for vigilant observation of the situation and the immediate instigation of comprehensive biosecurity measures to fend off potential spread. Meanwhile, in the Clark County scenario, the bad news has fallen upon a five-year-old Standardbred gelding confirmed to be EHV-1 positive, with an ominous risk looming over 70 other horses sharing land with the afflicted animal.

Getting Acquainted with the Many Faces of EHV-1

EHV-1 is a dangerous virus capable of manifesting through various symptoms like fever, respiratory infection, loss of tail tone, and inability to rise. For pregnant mares, it gets even more perilous as the virus can instigate abortions. The neurological forms of the disease are especially devastating, leading to paralysis, loss of coordination, and other harsh debilitating situations.

Future Research Demands: Unveiling the Shadows of EHV-1

Addressing this challenge demands a multi-faceted approach. Understanding the potency and effectiveness of current EHV-1 vaccines is of utmost importance. Vaccines play a critical role in the prevention of the virus spread and reduction of symptom severity but may not always deliver complete protection.

On the other hand, the scientific community should pivot their attention towards understanding the bewildering neurological form of EHV-1. This peculiar version of the virus can inflict irreversible health issues and can even lead to the unfortunate demise of horses. Therefore, garnering in-depth knowledge of neurological EHV-1's root causes and inventing more effective treatments is of the essence.

Preventing is Better than Curing - The Crucial Role of Biosecurity

A deep dive into the effectiveness and implementation of routine biosecurity measures on equine farms is warranted. Proper isolation of new arrivals, maintaining clean facilities, and enforcing stringent hygiene standards can prevent the spread of EHV-1 and other infectious diseases like it.

Mapping the Global Prevalence of EHV-1

We need to spare no effort in elucidating the prevalence of EHV-1 globally. A clear understanding of the geographical distribution of this threat will gear up strategies for prevention and control.

EHV-1 - The Economic Impactor of the Equine Industry

Lastly, the economic impact of EHV-1 on the overall equine industry should be thoroughly examined. Outbreaks of EHV-1 have devastating economic ripples, showing up as high veterinary costs, lost productivity, and potential reputational damage.

In closing, the recent spurt of neurological EHV-1 cases in Wisconsin, accentuates the need for awareness and expanded research. Studies focusing on prevention, accurate diagnosis, effective treatment, and impact minimization on the equine industry are the need of the hour.


  1. Equine Disease Communication Center (EDCC). (n.d.). About EDCC. Retrieved January 25, 2023, from
  2. (2023, January 18). Two Wisconsin Horses Positive for EHV. Retrieved January 25, 2023, from
  3. Merck Veterinary Manual. (n.d.). Equine Herpesvirus. Retrieved January 25, 2023, from
  4. American Association of Equine Practitioners. (n.d.). Equine Herpesvirus. Retrieved January 25, 2023, from