口蹄疫 (FMD) 係偶蹄類動物之高度傳染性疾病，在臨床症狀上，常造成感染動物之腳、蹄球、口腔、鼻、乳頭等部位出現水疱。

Foot-and-mouth disease (FMD) is a highly contagious disease of cloven-hoofed animals. Animals infected by FMD virus (FMDV) showed vesicules on the feet, heel bulb, oral cavity, nose and teats.