It is possible EV71 may pass through vascular endothelium by infection or by transcytosis or be carried past the barrier by infected circulating cells to invade other tissues.

• 肠病毒如何穿越血管内皮的可能原因为直接感染内皮细胞、藉胞饮作用穿过血管层或因感染使细胞层的通透性增大令携带病毒的血球顺利穿越侵犯至他处。