Connecticut Department Of Public Health Confirms Year’s First Case Of Powassan Virus
FOR IMMEDIATE RELEASE: May 4, 2022
CONTACT: Chris Boyle, Director of Communications
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HARTFORD, Conn.—The Connecticut Department of Public Health today announced that a Connecticut resident has tested positive for Powassan virus infection. This is the first case of POWV associated illness identified in Connecticut in 2022. From 2017 to 2021, 12 cases of POWV associated illness were reported in Connecticut, including three in 2021. Of those 12 cases between 2017 and 2021, two were fatal.
The male patient—age 50 to 59—is a resident of Windham and became ill during the fourth week of March. Laboratory tests performed at the Centers for Disease Control and Prevention Laboratory in Ft. Collins, Colorado, confirmed the presence of antibodies to POWV. The patient was hospitalized with a central nervous system disease and had a known tick bite. The patient has been discharged and is recovering at home.
"The identification of a Connecticut resident with Powassan virus associated illness emphasizes the need to take actions to prevent tick bites from now through the late fall," said DPH Commissioner Manisha Juthani, MD. "Using insect repellent, avoiding areas where ticks are likely, and checking carefully for ticks after being outside can reduce the chance of you or your children being infected with this virus."
Commissioner Juthani added that POWV is usually spread through the bite of an infected black-legged or deer tick. It takes a week to one month after the bite from an infected tick to develop symptoms of POWV disease, and the virus can be transmitted in as little as 15 minutes after the tick first attaches.
While most people infected with POWV likely experience no symptoms or a mild flu-like illness, some people will develop severe illness affecting the central nervous system. About one out of 10 cases of severe illness are fatal and approximately half of survivors experience long-term health problems. Severe cases may begin with fever, vomiting, headache, or weakness and rapidly progress to confusion, loss of coordination, difficulty speaking, or seizures. There is no vaccine nor a specific treatment for POWV associated illness. Severe illness is treated by supportive therapy which may include hospitalization, respiratory support, and hydration.
Tips for preventing tick bites
- Avoid areas where ticks are likely to be, such as in in grassy, brushy, or wooded areas. Ticks are active from spring to fall and may also be active on warmer days during winter.
- Consider the use of CDC-recommended mosquito repellents, containing DEET, picaridin, oil of lemon eucalyptus, IR3535, or 2-undecanone, and apply according to directions, when outdoors.
- Check yourself and your children for ticks immediately after coming indoors. Showering within two hours of coming indoors may be effective in reducing the risk of tick-borne disease.
- Examine clothing, gear, and pets carefully after coming indoors. Tumble dry clothing for 10 minutes to kill ticks that were carried inside.
- Talk to your veterinarian about the best tick prevention products for your dog.
- Consider treating items such as boots, clothing, and hiking or camping gear with products containing 0.5 percent permethrin.
For information on Powassan virus and how to prevent tick bites, visit https://www.cdc.gov/powassan/index.html