AGENT ANTI-VIRUS DE LA FIEVRE APHTEUSE POUR UN ANIMAL APPARTENANT A LA FAMILLE DES SUIDES OU POUR UN MOUTON, ET PROCEDE POUR LA PREVENTION OU LE TRAITEMENT DE LA FIEVRE APHTEUSE CHEZ UN ANIMAL APPARTENANT A LA FAMILLE DES SUIDES OU CHEZ UN MOUTON
Disclosed is an anti-foot-and-mouth disease virus agent for an animal belonging to the family Suidae, which comprises 3-oxo-3,4-dihyro-2-pyrazincarboxamide or a salt thereof. The agent is extremely useful for the prevention or treatment of food-and-mouth disease in an animal belonging to the family Suidae. Also disclosed is an anti-foot-and-mouth disease virus agent for sheep, which comprises 3-oxo-3,4-dihyro- 2-pyrazincarboxamide or a salt thereof. The agent is extremely useful for the prevention, therapy or the like of food-and-mouth disease in sheep.