anchor.diff:  country,current_zika_transmission
   American Samoa,Widespread transmission
  +Anguilla,Sporadic transmission
   Argentina,Widespread transmission
   Aruba,Widespread transmission
   Barbados,Widespread transmission
  
positive.code: Panama,Widespread transmission
  Paraguay,Widespread transmission
  Peru,Widespread transmission
  Puerto Rico,Widespread transmission
  Saint Lucia,Widespread transmission
  Saint Martin,Widespread transmission
  Saint Vincent and the Grenadines,Widespread transmission
  Saint-Barthélemy,Widespread transmission
  Samoa,Widespread transmission
  Sint Maarten,Widespread transmission
  Suriname,Widespread transmission
  Thailand,Widespread transmission
  
negative.code: El Salvador,Widespread transmission
  Fiji,Widespread transmission
  French Guiana,Widespread transmission
  Grenada,Sporadic transmission
  Guadeloupe,Widespread transmission
  Guatemala,Widespread transmission
  Guinea-Bissau,Sporadic transmission
  Haiti,Widespread transmission
  Honduras,Widespread transmission
  Indonesia,Sporadic transmission
  Jamaica,Widespread transmission
  Martinique,Widespread transmission
  Mexico,Widespread transmission
  