Where has Zika virus been found? • Prior to 2015, Zika virus outbreaks have occurred in areas of Africa, Southeast Asia, and the Pacific Islands. • In May 2015, the Pan American Health Organization (PAHO) issued an alert regarding the first confirmed Zika virus infections in Brazil. • Currently, outbreaks are occurring in many countries. • Zika virus will continue to spread and it will be difficult to determine how the virus will spread over time. Zika in the United States and its territories: • No locally transmitted Zika cases have been reported in the continental United States, but cases have been reported in returning travelers. • Locally transmitted Zika virus has been reported in the Commonwealth of Puerto Rico. • With the recent outbreaks, the number of Zika cases among travelers visiting or returning to the United States will likely increase. • These imported cases could result in local spread of the virus in some areas of the United States. Countries and territories with active Zika virus transmission: AMERICAS: Barbados; Bolivia; Brazil; Colombia; Commonwealth of Puerto Rico, US territory; Costa Rica; Curacao; Dominican Republic; Ecuador; El Salvador; French Guiana; Guadeloupe; Guatemala; Guyana; Haiti; Honduras; Martinique; Mexico; Nicaragua; Panama; Paraguay; Saint Martin; Suriname; U.S. Virgin Islands; Venezuela. OCEANIA/PACIFIC ISLANDS: American Samoa; Samoa. AFRICA: Cape Verde. Earlier maps called: Zika-affected Areas. zik-world-map_active_02-01-2016_web.jpg

Stephen B. Thacker CDC Library collection