Disease outbreak has occurred in northern Argentina , Argentina and Paraguay . The outbreak has killed 17 people . An Argentinian man receives a vaccination in Buenos Aires , Argentina . Health officials recommend that people planning to go to affected areas get vaccine . Concern began in Brazil Saturday after at least 21 monkeys died of yellow fever .
Disease outbreak has occurred in northern Argentina , Argentina and Paraguay . The outbreak has killed 17 people . Health officials recommend that people planning to go to affected areas get vaccine . Concern began in Brazil Saturday after at least 21 monkeys died of yellow fever .