Cases of rare but dangerous Powassan tick virus rising in US
A rare but dangerous tick-borne virus called Powassan is appearing more often across the United States, and experts say warmer weather may be helping it spread.
Jun 29, 2026
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Viruses: News and Research on Encephalitis Viruses, Tick-Borne
MeSH tree: B04.820.230.511
What tick tests can—and can't—tell you
It's quick to spot a tick, but harder to know if that tick carries Lyme disease. Emergency room visits for tick bites provide important data for the Centers for Disease Control and Prevention, but doctors often cannot immediately ...
May 29, 2026
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Discovery of viral entry routes and decoy molecules could block yellow fever and encephalitis
Researchers at Washington University School of Medicine in St. Louis have identified central routes that two deadly viruses take to invade human cells and have designed decoy molecules that block the infections.
Oct 30, 2025
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Key protein for tick-borne encephalitis revealed: How the virus enters brain cells
Researchers at Karolinska Institutet, together with international colleagues, have identified a protein on the surface of cells that is crucial to allowing the tick-borne encephalitis (TBE) virus to enter the body. The discovery, ...
Sep 24, 2025
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University steps up search for disease-spreading threats
The University of Minnesota is stepping up efforts to identify biological threats that could trigger an epidemic, launching an institute to track disease-spreading infectious pathogens at the genetic level and monitor wastewater ...
Jul 2, 2025
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New virus uncovered in China—is this a sign tick-borne diseases are on the rise?
Ticks are responsible for spreading over 25 human and animal diseases. While you may be familiar with some of these—such as Lyme disease—there are many others you've probably never heard of, including some that have been ...
Oct 14, 2024
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A case of tick-borne Powassan virus in a child
With tick-borne viruses such as Powassan virus increasing in Canada, clinicians should consider these infections in patients with encephalitis, as a case study shows in the Canadian Medical Association Journal.
Aug 26, 2024
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Investigating the dangerous neurological effects of the Powassan virus
While Lyme disease is the most recognized and prevalent tick-borne disease in the United States, other infections transmitted through tick bites can be equally or even more dangerous. One of these is the Powassan virus (POWV). ...
Aug 20, 2024
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Findings suggest few people get sick after bite from ticks infected with Powassan virus
Scientists at the University of Massachusetts Amherst-based New England Center of Excellence in Vector-Borne Diseases (NEWVEC) have published new findings on Powassan virus, an emerging tick-borne illness that can cause life-threatening ...
Jul 25, 2024
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Tick-borne Powassan virus reported in Massachusetts
A confirmed case of the tick-borne Powassan virus has been reported in the Bay State, according to officials who are warning residents to take precautions against the disease.
Apr 29, 2024
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