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.

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

Malaria is the most spread infectious disease in the world, causing the death of more than 1 million people in the world annually