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Powassan virus (POWV) is a Flavivirus transmitted by ticks, found in North America and in the Russian Far East. It is named after the town of Powassan, Ontario, where it was identified in a young boy who eventually died from it. It can cause encephalitis, inflammation of the brain.
15 maj 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. There are no vaccines to prevent or medicines to treat Powassan virus disease. Reduce your risk by avoiding ticks.
15 maj 2024 · Powassan virus disease (Powassan) is caused by a virus primarily spread to people through the bite of infected ticks. Powassan is maintained in the environment between ticks and animals. People do not spread the infection except in rare cases through blood transfusions.
Powassan virus is a rare tick-borne disease that may cause severe illness in children and adults bitten by a tick infected with the virus. Sometimes, the disease doesn’t cause symptoms. Other times, people experience life-threatening complications that affect the brain or nervous system.
27 mar 2023 · Powassan virus (POW) is an arbovirus within the family of Flaviviruses primarily found in the Northeastern United States, Canada, and Russia. It is a zoonotic infection transmitted to humans by several tick species and is the only member of the tick-borne flaviviruses endemic to North America. It was first recognized as a human pathogen in 1958 ...
Powassan virus is a rare tick-borne illness that can cause encephalitis, a serious brain infection. Learn about the symptoms, diagnosis, treatment and prevention of Powassan virus disease from Cleveland Clinic.
Many people infected with Powassan virus do not have symptoms. For people with symptoms, the time from tick bite to feeling sick ranges from 1 week to 1 month. Initial symptoms can include fever, headache, vomiting, and weakness.
