What is Bourbon Virus? New York Confirms Rare Tick-Borne Case

Public health officials in New York have recently confirmed a case of the Bourbon virus, a rare and little-known tick-borne disease. While the illness remains extremely uncommon, the identification of a new case has prompted medical experts to urge the public to remain vigilant when spending time outdoors, particularly in wooded or grassy areas where ticks thrive.

What is the Bourbon Virus?

The Bourbon virus is a member of the orthomyxovirus family, specifically classified as a thogotovirus. It was first discovered in 2014 in Bourbon County, Kansas, after a resident became ill and passed away from an unidentified viral infection. Since its discovery, only a small number of cases have been reported across the United States. Because it is so rare, scientists are still working to understand the full scope of how the virus interacts with the human body and exactly how widespread its carriers, such as ticks, might be.

How is it Transmitted?

The primary transmission method for the Bourbon virus is believed to be through the bite of an infected tick. Researchers have identified the lone star tick as a likely vector for the disease. These ticks are commonly found in the eastern and southeastern United States, often identified by the distinctive white spot on the back of adult females. While the virus has been found in ticks, experts continue to study whether other insects or animals might also play a role in spreading the infection to humans.

Symptoms and Diagnosis

Symptoms of the Bourbon virus can be non-specific, often mimicking other common illnesses like the flu or other tick-borne diseases such as Lyme disease or Ehrlichiosis. According to the Centers for Disease Control and Prevention (CDC), individuals who have contracted the virus often report experiencing a sudden onset of symptoms, including fever, fatigue, rash, headache, body aches, and nausea. In some cases, patients may also experience a decrease in blood counts, including white blood cells and platelets, which are essential for fighting infection and blood clotting.

Because the symptoms are so generic, diagnosing the Bourbon virus can be challenging. There is currently no commercially available test for the general public. Instead, diagnosis is typically performed through specialized testing at state public health laboratories or the CDC, usually triggered when a patient has a history of tick exposure and fails to respond to treatment for other common infections.

Treatment and Prevention

At this time, there are no vaccines to prevent the Bourbon virus, and there are no specific antiviral medications approved to treat it. Medical care focuses primarily on supportive treatment—managing symptoms such as fever and dehydration while the patient’s immune system fights off the infection. In severe cases, hospitalization may be required to provide intravenous fluids and other supportive therapies.

Prevention remains the most effective defense. Public health agencies advise individuals to take standard precautions against tick bites: wear long-sleeved shirts and pants when walking in tall grass or forests, use insect repellent containing DEET or permethrin, and perform thorough tick checks on both bodies and pets immediately after coming indoors. Removing a tick promptly can significantly reduce the risk of contracting any tick-borne pathogen, as many viruses and bacteria require several hours of attachment to transmit.

As surveillance continues, researchers are monitoring the geography of these cases to determine if the virus is spreading into new territories. For now, experts emphasize that while the Bourbon virus is a serious health concern, the risk to the average person remains very low compared to more common tick-borne illnesses.

Consult a healthcare professional.