anchor.diff:  Saint Martin,,Widespread transmission
   Saint Vincent and the Grenadines,,Widespread transmission
   Saint-Barthélemy,,Widespread transmission
  -Samoa,,Widespread transmission
   ​Singapore,​,​Widespread transmission
   Sint Maarten,,Widespread transmission
   Suriname,,Widespread transmission
  
positive.code: El Salvador,,Widespread transmission
  Fiji,,Widespread transmission
  French Guiana,,Widespread transmission
  Guadeloupe,,Widespread transmission
  Guatemala,,Widespread transmission
  Haiti,,Widespread transmission
  
negative.code: Trinidad and Tobago,,Widespread transmission
  US Virgin Islands,,Widespread transmission
  United States of America,​​Florida (Miami-Dade county),​Widespread transmission
  ​​​United States of America,"​Florida (Broward, Palm Beach and Pinellas counties)",​Sporadic transmission
  ​​​​Venezuela,​,​Widespread transmission
  ​Vietnam,​,​Widespread transmission
  ​Bahamas,​,​Sporadic transmission
  ​British Virgin Island (UK),​,​Sporadic transmission
  ​Cayman Islands,​,​Sporadic transmission
  ​Cuba,​,​Sporadic transmission
  ​Malaysia,​,Sporadic transmission​
  ​Maldives,​,​Sporadic transmission
  Saba,,Sporadic transmission
  ​Saint Kitts and Nevis,,Sporadic transmission
  ​Sint Eustatius,​,​Sporadic transmission
  ​Solomon Islands,​,​Sporadic transmission
  Turks and Caicos Islands,,Sporadic transmission
  