The disease is spread in several African, Asian and Latin American countries. In some cases the virus was also carried into Europe. After the bacteria have invaded the body, the incubation time is quite short, 1-2 days.

Yellow fever is a disease with flue like symptoms, with fever, severe hepatitis and bleeding. It’s spread exclusively in Africa, and the tropical parts of South America, mainly in agricultural territories and forest lands.

Chronic disease can get formed. 15-20% of patients suffering from chronic hepatitis dies due to the complications, and liver cancer may develop.