Powassan virus

Powassan virus is a virus that belongs to the genus Flaviviruses and the Togavirus family. It is the causative agent of the tick-borne encephalitis of the same name and belongs to the ecological group of arboviruses.

Powassan virus was discovered in 1962 and named after the province of Powassan in Italy, where it was first discovered. This virus belongs to antigenic group B and is highly virulent. It is transmitted through the bites of ticks, which are its carriers.

Clinical manifestations of Powassan virus disease can range from mild to severe. Symptoms include headache, fever, muscle pain, weakness, dizziness, nausea and vomiting. Visual, hearing, and motor coordination problems may also occur.

Diagnosis of the disease is carried out by a blood test for antibodies to the Powassan virus. Treatment includes the use of antiviral drugs such as acyclovir. However, in severe cases, hospitalization and intensive care may be required.

There is no vaccination against Powassan virus, but some countries use preventive measures such as removing ticks and using repellents. It is also recommended to avoid contact with wild animals and regularly treat ticks at home and outdoors.

Powansan virus is an arbovirus of the Togavirus family, genus Flavovirus. It belongs to the ecological group of arbovirus and is antigenic group B. The virus causes tick-borne encephalitis, which can lead to serious complications and even death.

The Powassan virus was first discovered in 2017 in Sweden in the area of ​​the city of Powassan. Since then, it has been actively spreading throughout the world. The virus is contracted through the bite of an insect, such as a tick or mosquito. Infection from person to person through airborne droplets is also possible.

Symptoms of Povalsan virus may include