Selected aspects of filoviruses in the view of Ebola virus disease epidemic.

Ebola virus disease (EVD) is a zoonosis of high virulence in humans. Current epidemic in West Africa is the largest EVD epidemic reported so far, exceeding the number of cases notified and geographical regions affected. This article discusses selected aspects of Ebola virus biology and ecology which are of significance for the processes of primary infection in humans and the spread of epidemic in population. A special attention was drawn to the issues essential for the diagnosis of infection and safety of testing.