C39 Meng fei's illness caused by entering the palace

Long trek to the capital, Meng Fei infected disease on the way;

How could Long Si escape from a contagious organism as if his father was the one who escaped this calamity?

So the Grand Empress Dowager agreed that the Emperor would not select the Harem Girl for this year. He only said that he would take Aruna, the daughter of his distant cousin, the Koeltai