Immunogens, compositions and methods for treating, preventing and/or diagnosing PEDV infection in pigs are disclosed. The compositions and methods use inactivated or attenuated virus-containing vaccines, or subunit vaccines, including immunogens and mixtures of immunogens derived from PEDV isolates.本文係揭示用於治療、預防及/或診斷豬中PEDV感染之免疫原、組成物和方法。此等組成物和方法係使用含有失活的或減毒的病毒之疫苗或次單元疫苗,其係包括衍生自PEDV分離株之免疫原和免疫原混合物。