El virus se propaga fácilmente por contacto directo (animales vivos contaminados) e indirecto (aire, viento, vehículos, personas, material agrícola, productos de origen animal o alimentos para animales, otras especies no sensibles como los caballos o las aves, etc.).
The virus spreads easily by means of direct contact (with live infected animals) and indirect contact (in the air, on the wind, on vehicles, people and agricultural equipment, in animal products or animal feed, and via other species that are not susceptible, such as horses and birds).