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Powassan (POW) virus disease is rare, but often serious disease caused by a virus that is spread by the bite of infected ticks. The virus is not transmitted directly from person-to-person. The virus is named after Powassan, Ontario where it was first discovered in 1958.
Powassan (POW) virus disease is rare, but often serious disease caused by a virus that is spread by the bite of infected ticks. The virus is not transmitted directly from person-to-person. The virus is named after Powassan, Ontario where it was first discovered in 1958.
11 kwi 2023 · This branch of the virus, which accounts for most Powassan cases in North America, first appeared in southern New York State and Connecticut. Then, several long-distance jumps occurred, likely when infected ticks caught rides on migrating birds or other vertebrate hosts.
18 cze 2024 · All residents of and visitors to areas where Powassan virus activity has been identified are at risk of infection. People who work or participate in recreational activities outdoors in endemic areas are at increased risk. Powassan is a nationally notifiable condition.
20 gru 2022 · Powassan virus (POWV, family Flaviviridae) is a reemerging tick-borne virus endemic in North America and Russia. In 1997, a POWV-like agent was isolated from Ixodes scapularis in New England and determined to be genetically distinct from the original POWV isolate.
10 paź 2023 · Powassan virus is a rare deer tick-borne infection that usually does not cause serious harm. In rare cases, however, Powassan virus could lead to encephalitis (an infection of the brain) or...
15 maj 2024 · Key Points. 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.
