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Related to Powassan virus: Ixodes cookei
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Twenty-two Powassan virus disease cases were reported from nine states (Connecticut, Maine, Massachusetts, Minnesota, New Hampshire, New York, North Carolina, Rhode Island, and Wisconsin).
Telford III, an expert on tick-borne diseases and a professor in the department of infectious diseases and global health at the Cummings School of Veterinary Medicine at Tufts University in North Grafton, said what is being called Powassan virus in Massachusetts is actually deer-tick virus, which he discovered in 1997.
While only 40 cases attributed to Powassan virus were reported in the U.
Powassan Powassan virus * Human disease is rare; virus encephalitis First begins as a isolated in 1957 from nonspecific a human case of fatal influenza-type encephalitis.
The primary lineage of Powassan virus is carried by a tick (Ixodes cookei) that feeds on the woodchuck (groundhog) and other small mammals, including squirrels and chipmunks, Dr.
Because of the clinical and MRI findings, and the confirmed brief tick attachment, CDC testing for evidence of infection with Powassan virus (POWV) was requested by the attending infectious diseases specialist.
The CDC reports there have now been 65 cases of Powassan Virus confirmed in the US, with 5 cases in Massachusetts that have all occurred within the past two years.
NEW YORK -- Surveillance for West Nile virus in the northeastern United States has revealed the continuing emergence of encephalitis caused by another flavivirus: Powassan virus.
Powassan virus (POWV) lineage II, also known as deer tick virus, is an emerging tickborne flavivirus (1) transmitted by Ixodes scapularis ticks, which are also the primary vector for Borrelia burgdorferi (Lyme disease pathogen).
Louis encephalitis (23), Jamestown Canyon virus (11), Powassan virus (seven), eastern equine encephalitis virus (six), unspecific California serogroup virus (four), and Cache Valley virus (one).
Doxycycline was initiated, and serologic tests were conducted for Bartonella, Borrelia, Coxiella, and Anaplasma species and for Powassan virus, JCV, and SSHV; tests were also conducted to rule out paraneoplastic process and autoimmune causes.