Definition of Powassan virus
1 : a flavivirus (species Powassan virus of the genus Flavivirus) that is transmitted to humans by infected ixodid ticks (especially deer ticks) and that causes a sometimes life-threatening illness The first case, in 2008, involved a child with encephalitis who was found to be infected with the Powassan virus, an arbovirus that is related to West Nile virus.— Bridget M. Kuehn
or Powassan disease
or Powassan virus disease
: the illness caused by the Powassan virus that is typically marked by fever, headache, weakness, confusion, loss of coordination, seizures, and often encephalitis or meningitis but that may sometimes be asymptomatic
Powassan virus was first reported in the Canadian municipality of Powassan, Ontario in 1958. The illness typically occurs in the northeastern U.S. and Great Lakes region.
Note: Powassan virus was first reported in the Canadian municipality of Powassan, Ontario in 1958. The illness typically occurs in the northeastern U.S. and Great Lakes region.Don't just worry about Lyme disease this summer—Powassan virus is also spread by ticks, and doctors say it could be much more dangerous.— Charlotte Alter Severe Powassan often needs hospitalization to receive respiratory support, intravenous fluids or medications to reduce swelling in the brain.— Nina Radcliff … blacklegged ticks can also transmit anaplasmosis, babesiosis and Powassan disease according to the Centers for Disease Control and Prevention.— Andy Ouriel —abbreviated POW, POWV — see also Powassan encephalitis
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