Antigenic relationship between Powassan and Russian spring-summer encephalitis viruses.
D004660:Encephalitis; D004669:Encephalitis Viruses, Tick-Borne; D004671:Encephalitis, Arbovirus / Q000821:virology*; D004675:Encephalitis, Tick-Borne; D058872:Epidemics
ENCEPHALITIS, EPIDEMIC/virology