The identity of VP1 of NADRV-J19 to group B rotavirus strain IDIR was 55.7%; identities of VP1 of NADRV-J19 to group A rotavirus strain SA11 and C rotavirus strain Bristol were 20.4% and 19.2% respectively.

• 氨基酸序列同源性分析表明J19株的VP1蛋白序列对B组轮状病毒IDIR株的一致性为55.；7%25；对A组轮状病毒SA11株和C组轮状病毒Bristol株的一致性分别为20