( An adolescent from Poughkeepsie, NY, who had been diagnosed with Powassan virus and later died, was discovered post-mortem to have had Lyme carditis, a treatable tick-borne illness. But it is also important for clinicians to not overlook treatable tick-borne diseases when assessing a patient. miyamotoi might be transmitted by all tick stages, we believe that this disease is underdiagnosed in Maine.”Īuthor’s Note: It is encouraging that researchers are learning more about emerging infections, including the Powassan virus. “On the basis of a seroprevalence of ≈2% in this study and that B. The majority were diagnosed as Lyme disease. infections (n=1,854) reported in Maine in 2017, only 6 cases were attributed to B. scapularis ticks in Maine infected with the Powassan virus is low, frequent exposure to tick bites and the speed of transmission of the virus raises concerns, the authors write. 2.6%) and 35 times greater than the percentage of deer ticks infected with POWV (0.4%).”Īlthough the number of I. burgdorferi was 5 times greater than that for B. scapularis tick bites,” the authors write, “the percentage who were seropositive for B. Our tick testing data is available through data tables that are updated daily and our annual Tick Surveillance Program report. The University of Maine Cooperative Extension offers a free tick identification and state of engorgement service.9 You can mail or drop-off ticks. “Among residents of southern Maine with a history of I. 0.4% were positive for the Powassan encephalitis virus.0.9% of the subjects were positive for B.13.9% of the people were positive for B.Nearly all of the residents (99%) had been bitten by I. Using a tick identification database, the authors surveyed 230 individuals who had been bitten by Ixodes scapularis (deer ticks) or Ixodes cookei (woodchuck or groundhog) ticks between 2009 – 20013. miyamotoi, and the Powassan virus (POWV) among residents living in Maine. burgdorferi (the causative agent of Lyme disease), B. Now, a survey by Smith and colleagues examines the prevalence of B. miyamotoi under-diagnosed in Maine, while Powassan virus causes concern.
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