M AP 2-1 1 .¹ Current as of August 2018. This map is an updated version of the 2010 map created by the Informal WHO Working Group on the Geographic Risk of Yellow Fever.² In 2017, CDC expanded yellow fever vaccination recommendations for travelers to Brazil because of a large outbreak of yellow fever in multiple states in that country. Please refer to the CDC Travelers’ Health website (www.cdc.gov/travel) for more information and updated recommendations.

Yellow fever vaccine recommendations in Ecuador¹