From the Centers for Disease Control and Prevention. Outbreak of Powassan encephalitis--Maine and Vermont, 1999-2001.
D000368:Aged; D004669:Encephalitis Viruses, Tick-Borne / Q000302:isolation & purification; D004675:Encephalitis, Tick-Borne / Q000175:diagnosis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008281:Maine / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D014707:Vermont / Q000453:epidemiology