It is known that viral infection is an important pathogeny of VMC, and VMC caused by coxsackievirus group B type 3 (CVB3) infection accounts for more than fifty percent VMC cases.

• 病毒感染是VMC重要病因之一，其中由B3型柯萨奇病毒（coxsackievirus group B type 3,CVB3）感染引起的VMC占发病人数的一半以上。