In other words, virus proteins can still be discovered during screenings of vaccinated pigs in quarantine. Most countries free of foot and mouth disease strictly prohibit the import of meat products tested positively for antigens.
換句話說，打過疫苗的豬隻，在動物檢疫上還是會偵測到病毒的蛋白，而一般非口蹄疫區國家均嚴格禁止檢出抗原的肉品進口。