anchor.diff:  country,affected_past_nine_months,affected_past_two_months
   American Samoa,Yes,Increasing or widespread transmission
  -Aruba,Yes,Sporadic transmission following recent introduction
  +Aruba,Yes,Sporadic transmission
   Barbados,Yes,Increasing or widespread transmission
   Bolivia,Yes,Increasing or widespread transmission
   Brazil,Yes,Increasing or widespread transmission
  -Bonaire,Yes,Sporadic transmission following recent introduction
  +Bonaire,Yes,Sporadic transmission
   Cape Verde,Yes,Increasing or widespread transmission
   Colombia,Yes,Increasing or widespread transmission
  -Costa Rica,Yes,Sporadic transmission following recent introduction
  +Costa Rica,Yes,Sporadic transmission
   Curaçao,Yes,Increasing or widespread transmission
   Dominican Republic,Yes,Increasing or widespread transmission
   Ecuador,Yes,Increasing or widespread transmission
  
positive.code: French Guiana,Yes,Increasing or widespread transmission
  Guadeloupe,Yes,Increasing or widespread transmission
  Guatemala,Yes,Increasing or widespread transmission
  Guyana,Yes,Sporadic transmission following recent introduction
  Haiti,Yes,Increasing or widespread transmission
  Honduras,Yes,Increasing or widespread transmission
  Jamaica,Yes,Sporadic transmission following recent introduction
  Marshall Islands,Yes,Sporadic transmission following recent introduction
  Martinique,Yes,Increasing or widespread transmission
  Mexico,Yes,Increasing or widespread transmission
  New Caledonia,Yes,No
  
negative.code: Panama,Yes,Increasing or widespread transmission
  Paraguay,Yes,Increasing or widespread transmission
  Puerto Rico,Yes,Increasing or widespread transmission
  Saint Martin,Yes,Sporadic transmission
  Saint Vincent and the Grenadines,Yes,Sporadic transmission
  Samoa,Yes,Increasing or widespread transmission
  Sint Maarten,Yes,Sporadic transmission
  Solomon Islands,Yes,No
  Suriname,Yes,Increasing or widespread transmission
  Thailand,Yes,Sporadic transmission
  Tonga,Yes,Increasing or widespread transmission
  Trinidad and Tobago,Yes,Sporadic transmission
  Vanuatu,Yes,No
  Venezuela,Yes,Increasing or widespread transmission
  US Virgin Islands,Yes,Sporadic transmission
  