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- About Powassan | Powassan Virus | CDC - Centers for Disease Control and . . .
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
- Powassan: Symptoms, Diagnosis, and Treatment - CDC
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
- Powassan: Causes and How It Spreads | Powassan Virus | CDC
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
- Data and Maps for Powassan | Powassan Virus | CDC - Centers for Disease . . .
Powassan virus disease (Powassan) is a nationally notifiable condition Cases are reported to CDC by state and territorial health departments using standard case definitions View the data
- Treatment and Prevention of Powassan Virus Disease
There is no specific treatment for Powassan virus disease; clinical management is supportive Monitor patients with neuroinvasive disease closely for severe complications Counsel patients about using personal protective measures to prevent tick bites
- Clinical Testing and Diagnosis for Powassan Virus Disease
Laboratory diagnosis of Powassan virus infection is generally accomplished by testing of serum or cerebrospinal fluid (CSF) to detect Powassan virus-specific IgM and neutralizing antibodies Initial serological testing is performed using IgM capture enzyme-linked immunosorbent assay (ELISA)
- Clinical Signs and Symptoms of Powassan Virus Disease
Powassan virus infection can be asymptomatic or cause a non-specific febrile illness Neuroinvasive disease can present as aseptic meningitis or encephalitis which can be severe The incubation period for Powassan virus disease ranges from 1–5 weeks
- Transmission of Powassan Virus - CDC
Powassan virus disease is caused by a tickborne flavivirus (genus Flavivirus, family Flaviviridae) There are two lineages of Powassan virus, specifically Lineage 1 - Powassan virus and Lineage 2 - deer tick virus Powassan virus has been identified in North America and isolated locations of Russia
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