The house was confiscated at the beginning, so I evacuated my enemy's house to escape.

Zhang Chong and Zhang Xiaowu stopped and looked back at Feng Jiuyan.

Feng Jiuyan, Feng Huaijin and Madam Feng said, "Dad, Mom, I have something to tell them. I will take my leave first."

Madam Feng and Feng Huaijin waved their hands and said, "Go ahead."

The two knew that their daughter always had strong opinions, so since she didn't say anything, they didn't ask.

Feng Jiuyan bowed to her father and mother, then walked towards Zhang Chong and Zhang Xiaowu.

Zhang Chong looked at Feng Jiuyan in confusion, "Miss, what do you want to say?"

"Let's go, we'll talk while we walk." Feng Jiuyan said.

Afterwards, Feng Jiuyan, Zhang Chong and Zhang Xiaowu walked out of the front hall.

After leaving the front hall, the three of them walked towards the corridor and headed towards the side door.

Feng Jiuyan took out two medical masks without the packaging bags from the cross-body bag she was carrying and gave one to Zhang Chong and Zhang Xiaowu respectively.

"What is this?" Zhang Xiaowu looked carefully at the light blue rectangular object in his hand and asked puzzledly.

Feng Jiuyan smiled and began to talk nonsense, "This is called a mask. I made it when I was free. It is mainly used to cover the mouth and nose to prevent viruses from invading the human body. You two also know that I have some medical skills. When practicing medicine, I will encounter all kinds of patients. The mask can protect me very well."

"So that's how it is." Zhang Chong nodded repeatedly after hearing this.

Zhang Xiaowu was extremely perceptive and immediately thought of the key point of the matter. He looked at Feng Jiuyan, his eyes slightly moved, "You mean, the people who go to the clinic to see a doctor may not be suffering from ordinary colds, but may have other mysteries and may be contagious?"

Feng Jiuyan glanced at Zhang Xiaowu with appreciation, and then looked at the two of them solemnly, "All of this is still uncertain, it's just my guess based on the information the driver got. You two don't need to be so nervous, maybe I guessed wrong.

But this time when you go out to investigate, you must wear the masks I gave you both, and you can't take them off for a moment! Also, you must keep a certain distance from the patients and try not to have any contact with them.

Also, when you return to the mansion, come in through the side door. I will have someone prepare mugwort for you to fumigate your bodies and boil mugwort soup for you to bathe in.”

Zhang Xiaowu and Zhang Chong saw that Feng Jiuyan's expression was not only serious, but also very grand, and they knew that this matter would be very difficult.

They nodded, "Okay, we will remember everything the young lady told us."

"Well, you guys have to be careful this time. Go quickly." Feng Jiuyan said.

She watched the two people leave, and only walked back when she could no longer see their backs.

Afterwards, she instructed the maids in the mansion to prepare everything, including boiling mugwort water, preparing dry mugwort and a brazier, etc.

The sun has set and night has fallen.

After Feng Jiuyan's family of four finished dinner, Zhang Chong and Zhang Xiaowu still hadn't returned to the mansion. The four of them stayed in the front hall, waiting for Zhang Chong and Zhang Xiaowu to return.

She saw that Feng Jiuli was so sleepy that she couldn't open her eyes, and her little head was nodding, almost falling off the chair. She hurried over and supported Feng Jiuli.

Feng Jiuyan said to her mother, "Mother, please take Ah Li back to rest first. Daddy and I will wait here."

Madam Feng looked at her youngest son's sleepy appearance and immediately replied, "Okay, then I'll take Ah Li back to rest first. I've asked the maids to heat up the food for Zhang Chong and Zhang Xiaowu, so they can have dinner when they come back."

Then, she said with some guilt, "Mother can't do anything. She can only do these simple things."

Feng Jiuyan supported Madam Feng and said with a smile, "Mother, please don't say that. You have considered everything very carefully. I am not as good as you."

"Hehe, you're the only one with a talking little mouth. Okay, mother will take your brother back first." Madam Feng was comforted by Feng Jiuyan. She immediately smiled happily, sweeping away her previous loss and guilt.

After Madam Feng and Feng Jiuli left, Feng Jiuyan and Feng Huaijin, father and daughter, drank tea and chatted.

Feng Huaijin looked at his daughter, "Ah Yan, what do you think about this?"

At this time, there were only her and her father in the front hall. Feng Jiuyan didn't need to hide anything and just said her guess directly.

Feng Jiuyan took a sip of hot tea and then slowly spoke, "From the driver's description, my daughter intuitively felt that this was not the common typhoid fever. The driver said that the patients who lined up to see the doctor kept crying out in pain, and their whole bodies ached. Not only that, some patients were so seriously ill that they needed two or three relatives to support them to barely stand, and some patients were even carried here by their relatives on bed boards.

My daughter has never seen such severe typhoid fever, so she ventured to guess that it was probably a viral infection!

"Virus?" Feng Huaijin didn't understand the word at all. This was the first time he heard the word virus.

"What is a virus?" he asked his daughter curiously.

He knew that his daughter had studied medicine with his father-in-law in Beijing for several years, and that her medical skills were very advanced. He thought that it was just a description he had never heard of before, and did not give it much thought.

"Well, to put it simply, it's an epidemic!" Feng Jiuyan thought of a word unique to ancient times so that his father could better understand it.

"Epidemic!" Feng Huaijin grasped the key point at once, and his pupils trembled.

"Well, my initial guess is that this should be an epidemic! However, we have to wait for the news from Zhang Chong and Zhang Xiaowu before we can confirm the details."

Feng Huaijin didn't expect anything lucky after hearing his daughter's explanation. He knew that his daughter's medical skills were excellent, and her judgment this time should be almost correct.

The father and daughter were silent for a while, and then they heard Xiaotao quickly walk into the main hall.

"Miss, Miss, Zhang Chong and Zhang Xiaowu are back. We have fumigated them with mugwort and sprayed them with stinky water as you instructed. In addition, they are bathing with mugwort water, and all the clothes they changed were burned. Oh, by the way, the blue objects they wore on their faces were also burned.

After they take a bath, they will come to the front hall to talk to the masters and ladies. "

The stinky water that Xiaotao was talking about was actually alcohol disinfectant.

"Well done, you can go and get busy first." Feng Jiuyan said.

"Yes, miss." Xiaotao lifted her skirt and hurriedly left the front hall.

She would have to spray stinky water on the maids who were burning clothes later.

In less than a cup of tea, Zhang Chong and Zhang Xiaowu hurriedly walked towards the front hall.

"Miss, we have something urgent to report." Zhang Xiaowu said with a stern face.

Zhang Chong, who was always smiling, now looked unusually serious.