May 15, 2024 · Powassan virus is spread to people by the bite of an infected tick. Powassan virus disease is rare but is increasing. Initial symptoms include fever, headache, vomiting, and weakness.

Powassan virus infection can result in febrile illness or neurologic disease, including meningitis or encephalitis. If you think you or a family member might have Powassan virus disease (Powassan), talk with your healthcare provider.

Jun 18, 2024 · About Powassan. Powassan virus infections have been identified in the United States, Canada, and Russia. In the United States, cases of Powassan have been reported primarily from northeastern states and the Great Lakes region.

May 15, 2024 · How it spreads. Powassan virus is spread to people primarily through the bite of an infected tick. Three types of Ixodes species ticks spread Powassan virus and are primarily found in the eastern half of the United States.; Ticks become infected when they feed on groundhogs, squirrels, mice, or other rodents that have the virus in their blood.