“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,” 박사가 말했다. 마니샤 주타니, who is the commissioner of the Connecticut Department of Health.
“Using insect repellent, avoiding areas where ticks are likely, 과 checking carefully for ticks after being outside can reduce the chance of you or your children being infected with this virus.”
Powassan virus, first discovered in Powassan, Ontario in 1958, is usually spread through the bite of an infected black-legged or deer tick, officially known as Ixodes scapularis, and can be transmitted in as little as 15 minutes after a tick bite, but it can take a week up to one month to develop symptoms, per the release.
This is in contrast to Lyme disease, the most common tick-borne disease in the United States, which is caused by a bacteria known as Borrelia burgdorferi and usually transmitted after 36-48 hours after the bite of usually the black-legged tick, 질병 통제 및 예방 센터에 따르면 (질병 통제 예방 센터).
Human infections secondary to the Powassan virus infections have been recognized in the United States, 캐나다, and Russia, with the cases mostly from northeastern states and the Great Lakes region in late spring, early summer and mid-fall when ticks are most active, 당 질병 통제 예방 센터.
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Powassan cases are rare, 와 20 reported in 2020 to the CDC, but the reported cases are increasing, whereas usually 30,00 cases of Lyme disease are reported to the CDC each year, but the true number is likely closer to 476,000 each year because of underreporting, 당 대행사.
People who work outdoors and engage in recreational activities in endemic areas for the virus are at increased risk of the infection.
The Connecticut patient who contracted Powassan virus is a male patient in his 50s who started to feel sick during the fourth week of March after a tick bite. He was later hospitalized with a central nervous system disease with laboratory confirmed evidence by the CDC of antibodies to the virus, but is now discharged and recovering at home, according to the health department’s release.
Most people infected with Powassan virus will develop mild flu-like symptoms or no symptoms at all, but some will experience severe illness affecting the central nervous system, which consists of the spinal cord and 뇌, per the health 학과.