foot-and-mouth disease virus

例句：

1. 1. The outbreak of foot-and-mouth disease in the region has been a major concern for farmers.
   该地区爆发的口蹄疫对农民来说是一个主要担忧。
2. 2.The research team isolated the foot-and-mouth disease virus and developed an effective vaccine.
   研究小组分离出了口蹄疫病毒并开发了一种有效的疫苗。
3. 3. Foot-and-mouth disease is a viral infection that can cause severe damage to livestock.
   口蹄疫是一种病毒感染，可以严重损害家畜。