Fig. 2
From: Epidemiological considerations on African swine fever in Europe 2014–2018
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40813-018-0109-2/MediaObjects/40813_2018_109_Fig2_HTML.png)
The four transmission cycles of ASF with the main transmission agents depicted. The role of the bushpig in the sylvatic cycle remains unclear. Illustration: Magdalena Hellström, photographs by Erika Chenais, Klaus Depner and Karl Ståhl. The figure was originally published in Emerg Infect Dis 24, 810