Powassan virus has been detected in Martha's Vineyard during a notable rise in tick-borne diseases. A 1-month-old infant contracted the virus, leading to severe health complications. This insect-borne disease is transmitted by deer ticks and can result in inflammation of the brain and spinal cord. Although rare, instances of Powassan virus infections are rising, alongside increased tick encounters across Massachusetts. Infections occur primarily in certain regions, with a small percentage of deer ticks carrying the virus, as assessed by local health officials and researchers.
"The virus is present every year in a small percentage of deer ticks; fortunately, severe disease remains very rare. This is a similar rate to that seen elsewhere in New England."
"While rare, the rate of Powassan virus is increasing, according to the CDC, and can cause severe disease, including inflammation of the brain and spinal cord, as well as brain swelling, confusion, loss of coordination, difficulty speaking, and seizures."
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