We conducted a serosurvey of 230 persons in Maine, USA, who had been bitten by Ixodes scapularis or I. cookei ticks. We documented seropositivity for Borrelia burgdorferi (13.9%) and B. miyamotoi (2.6%), as well as a single equivocal result (0.4%) for Powassan encephalitis virus.
Keywords: Borrelia burgdorferi; Borrelia miyamotoi; Ixodes scapularis; Maine; POWV; Powassan virus; United States; bacteria; deer ticks; meningitis/encephalitis; seroprevalence; tick bites; ticks; vector-borne infections; viruses; zoonoses.