The invention relates to a novel Enterovirus 71 (EV71) strain. The invention also relates to immunogenic compositions containing the novel EV71 strain, EV71 test kits, and applications of the novel EV71 strain.本發明係關於一種腸病毒71型(Enterovirus 71, EV71)新穎病毒株。本發明並關於一種含有該新穎的腸病毒71型(EV71)病毒株之免疫組合物、一種腸病毒71型檢測套組,以及該新穎的腸病毒71型(EV71)病毒株之應用。