Fig. 1

Cycles in which ASF virus is maintained. a Warthog-tick cycle, Eastern and Southern Africa (genotypes I–XXII, XXIV); b Domestic pig-tick cycle, Eastern and Southern Africa (genotypes VIII, XXIV) and historical in Iberian Peninsula (genotype I); c Domestic pig cycle (genotypes I–X, XII, XIV–XXIV in the area with the classic sylvatic cycle; genotypes I or II elsewhere); d Wild boar-environment cycle, Europe (genotype II)