"Quickly lock the door, quickly lock the door."
When Ye Chenfeng was making a call to Yu Fengnian, two elderly men with panicked expressions ran out of the isolation area building under the escort of four police officers. After they had emerged from the building, the two elderly men immediately instructed the four police officers to lock the buildings doors.
These two elderly men were none other than Lu Shengrong and Cheng Yingxun, revered medical experts in Huaxia Country, who had also shamelessly sought Ye Chenfeng as their mentor after that year's international medical exchange competition.
