An indirect ELISA was established with expressed 3A protein of FMDV as coating antigen and was experimentally used to detect FMDV infection sera,immune sera and other disease sera.

• 用表达的口蹄疫3A蛋白作为包被抗原,建立了间接ELISA试验,对口蹄疫病毒感染血清、免疫血清和其它非口蹄疫病毒血清进行了检测研究。