A New Hampshire man became nonverbal and unable to move within a day after a tick bite, later diagnosed with the rare Powassan virus.

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As if lyme disease is not reason enough to use
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A New Hampshire man became nonverbal and unable to move within a day after a tick bite, later diagnosed with the rare Powassan virus.​

John Reagan, a 66-year-old outdoorsman from New Hampshire, experienced a sudden and severe decline in health after a tick bite while walking his dog. Within 24 hours of hospital admission, he could no longer speak, and his muscles became unresponsive, illustrating the rapid progression of Powassan virus infection americanalmanac.com+1. Initially, he felt fatigued, but his condition deteriorated quickly, requiring transfer to Massachusetts General Hospital and ventilator support americanalmanac.com+1.

About Powassan Virus​

Powassan virus is a rare tick-borne pathogen first identified in Powassan, Ontario, in 1958 americanalmanac.com. Unlike Lyme disease, which typically requires 36–48 hours of tick attachment for transmission, Powassan virus can be transmitted in as little as 15 minutes americanalmanac.com+1. The virus primarily spreads through bites from infected deer or woodchuck ticks and does not transmit via casual contact americanalmanac.com. Most U.S. cases occur in the Northeast and Great Lakes regions, with peak incidence from late spring through mid-fall americanalmanac.com+1.

Symptoms and Risks​

Initial symptoms can resemble a mild flu, including fever, headache, vomiting, and weakness americanalmanac.com. However, Powassan virus can escalate to severe neurological illness, including encephalitis, paralysis, and loss of speech americanalmanac.com+1. Approximately 10% of severe cases are fatal, and around 50–60% of survivors experience long-term neurological complications such as muscle weakness, memory problems, and recurring headaches americanalmanac.com+1. Reagan’s case exemplifies the virus’s potential for rapid and devastating neurological impact.

Diagnosis and Treatment​

Diagnosis often requires extensive testing due to the rarity of the virus and its similarity to other tick-borne illnesses CBS News+1. In Reagan’s case, doctors confirmed Powassan virus after a series of tests following his rapid decline CBS News. Currently, there is no vaccine or specific antiviral treatment for Powassan virus; care is supportive, focusing on managing symptoms and maintaining vital functions while the body fights the infection americanalmanac.com+2.

Prevention​

Because Powassan virus can transmit quickly, prevention is critical. Measures include:

• Using tick repellents and wearing protective clothing when outdoors
• Performing thorough tick checks on yourself, children, and pets after outdoor activities
• Avoiding areas with high tick populations, especially during peak season
  Awareness is essential, as many people are unfamiliar with Powassan virus despite its increasing incidence americanalmanac.com+2.
  John Reagan’s case serves as a stark reminder that even brief outdoor exposure can lead to serious illness, highlighting the importance of vigilance and early medical attention following tick bites americanalmanac.com+1.