Vector competence of human-biting ticks Ixodes scapularis, Amblyomma americanum and Dermacentor variabilis for Powassan virus

Background: Powassan virus (POWV; genus Flavivirus) is the only real North American member of the tick-borne encephalitis sero-complex and an growing public well being risk within the USA. Maintained in nature by Ixodes spp. ticks, POWV has additionally been remoted from species of different laborious tick genera, but it’s unclear if these species can function vectors.…

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