title: A study of equine virulence of naturally occurring Venezuelan encephalitis virus in Veracruz with description of antibody responses.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D003168:Complement Fixation Tests; D004683:Encephalomyelitis, Equine / Q000453:epidemiology*; D006801:Humans; D008800:Mexico; D013045:Species Specificity; D014687:Venezuela