All

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 C02 Virus Diseases D014777 +
  C02.782 RNA Virus Infections D012327 +
   C02.782.350 Flaviviridae Infections D018178 +
    C02.782.350.675 Pestivirus Infections D018182 +
     C02.782.350.675.200 Classical Swine Fever D006691 
 C22 Animal Diseases D000820 +
  C22.905 Swine Diseases D013553 +
   C22.905.170 Classical Swine Fever D006691