title: Variation among strains of St. Louis encephalitis virus: basis for a genetic, pathogenetic, and epidemiologic classification.
mesh_terms: D000818:Animals; D001717:Birds / Q000382:microbiology; D004665:Encephalitis Virus, St. Louis / Q000145:classification / Q000235:genetics* / Q000472:pathogenicity; D005416:Flavivirus / Q000235:genetics*; D005814:Genes, Viral; D014644:Genetic Variation; D006801:Humans; D051379:Mice; D009843:Oligoribonucleotides / Q000032:analysis; D010455:Peptides / Q000032:analysis; D012367:RNA, Viral / Q000032:analysis; D013020:South America; D014481:United States; D014764:Viral Proteins / Q000032:analysis
chemical_list: D009843:Oligoribonucleotides; D010455:Peptides; D012367:RNA, Viral; D014764:Viral Proteins