anchor.diff:  Panama,,Widespread transmission
   Paraguay,,Widespread transmission
   Peru,,Widespread transmission
  +​Philippines​​,​,​​Widespread transmission​
   Puerto Rico,,Widespread transmission
   Saint Lucia,,Widespread transmission
   Saint Martin,,Widespread transmission
  
positive.code: ​​Anguilla,​,​Widespread transmission
  Argentina,Tucumán Province,Widespread transmission
  Barbados,,Widespread transmission
  Belize,,Widespread transmission
  Bolivia,,Widespread transmission
  Bonaire,,Widespread transmission
  Brazil,,Widespread transmission
  Cape Verde,,Widespread transmission
  Colombia,,Widespread transmission
  
negative.code: Grenada,,Sporadic transmission
  Guinea-Bissau,,Sporadic transmission
  ​Malaysia,​,Sporadic transmission​
  Saba,,Sporadic transmission
  ​Saint Kitts and Nevis,,Sporadic transmission
  ​Sint Eustatius,​,​Sporadic transmission
  Turks and Caicos Islands,,Sporadic transmission
  ​Vietnam,​,​Sporadic transmission
  