Chapter 2013
The Prodigal Son 7
The modern Chinese medicine book that Liu Tong gave to Liu Yu'er mentioned cowpox prevention of smallpox, but only in this one sentence.
Because of this statement, Liu Yu'er spent a year researching on her estate and finally confirmed that cowpox could indeed prevent smallpox.
Liu Tong gave Liu Yu'er a thumbs up: "Great job, little sister. Once this method is implemented, the people will be able to get rid of the nightmare of smallpox. You are a blessing to all families."
Liu Yu'er smiled, not caring about the Buddhas and Buddhas of the Wan family; she only cared about becoming a useful person who could help many people.
She wondered if her name would be recorded in history.
Liu Tong and Liu Yu'er went to the palace together to see the Empress.
The Empress was overjoyed to see her long-lost younger brother and summoned her son to meet her uncle.
The crown prince had taken the pills given to him by Liu Dong, and his body was healthy and immune to all poisons.
Over the years, people lurking in the shadows have repeatedly targeted the young prince, including but not limited to poisoning him and making him sick by opening windows and pulling off blankets in the middle of the night.
They had succeeded and were about to raise their glasses in celebration when they discovered that the young prince was completely unharmed.
The poison was fed into the little prince's mouth. It was arsenic, a deadly poison that could kill on contact with blood, but the little prince treated it as a seasoning and even said it tasted good...
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After such incidents occurred repeatedly, the palace servants who carried out the attacks became afraid.
The young prince is clearly protected by gods and Buddhas! He is a Heavenly Emperor. If they were to attack the prince again, would they be punished by Heaven and have their souls cast into the eighteenth level of hell after death?
When Liu Tong saw the young prince, she knew that he had not had a peaceful life these past few years, and that the effects of the pills she had given him were about to wear off.
Liu Tong secretly fed the young crown prince a pill and also gave the empress a pill.
The Empress looked quite well. Although the Emperor's favor towards her had waned over the years as he had taken a new lover, the Empress did not care at all.
With the emperor's only son and her position as empress secure, why would she need to compete for favor with other women?
Even if the emperor now dislikes her, he cannot depose her for the sake of the crown prince.
Unless the emperor can have other children.
However, he no longer had the chance.
Knowing that her younger sister had studied medicine, the Empress asked Liu Yu'er for a pill that would prevent the Emperor from having children, and gave it to him directly.
The former empress was deposed, and the emperor, for the sake of his children, brought many more women into the palace.
These women had not been given infertility drugs by the late empress and were in good health, so the emperor thought that another woman would soon become pregnant.
Unexpectedly, the current empress will solve the problem at its root.
The Empress remained calm and collected, watching the women who entered the palace later vie for the Emperor's favor, finding it all amusing.
She understood that doing nothing was the best option.
Empress: "You've been wild enough all these years, shouldn't you stay home and behave yourself?"
Liu Tong shook her head: "Big sister, you know me, I can't sit still!"
The Empress sighed, "You are just like that unruly wind."
No matter what we do, we can't keep them.
The Empress said, “The seeds you sent back are all very good, and they have been planted on the imperial estates. The cotton variety has been widely adopted, and it is very warm. The people will no longer suffer from the cold.”
Liu Tong: "That's good. I'll go to other places later and find some more high-yield grain varieties."
He decided that his next trip would be to search for America and bring potatoes and corn back to the Central Plains.
The Empress said, "Where can we find so much high-yield grain?"
Liu Tong: "How will we know if we don't look for it?"
The Empress said, "Then be careful on your journey." Liu Tong agreed, and only then did Liu Yu'er step forward to speak to the Empress.
After the two sisters chatted about everyday things for a while, Liu Ya'er told them about the smallpox.
The Empress suddenly stood up and asked, "Are you telling the truth?"
Liu Yuer: "It's true, I've verified it. After one hundred people are vaccinated against smallpox, none of them will be infected with smallpox again."
The Empress was overjoyed: "Yu'er, can the Crown Prince be vaccinated now?"
Liu Yu'er nodded.
The Empress called the young prince to her side and solemnly handed her son over to Liu Yu'er.
"Little sister, I'm begging you."
Liu Yu'er agreed to the Empress's request. When she left the palace, she would take the Crown Prince back to the Duke of Cheng's mansion, and after the Crown Prince recovered from smallpox, she would send him back to the palace.
Of course, this matter requires the emperor's approval.
So the empress sent someone to invite the emperor.
The emperor was in the palace of his most beloved concubine, about to do what men love most, when he suddenly heard a report from a eunuch.
Although the emperor no longer favored the empress, he still respected her. When the empress invited him and explained that she had something important to say, the emperor had no choice but to leave his concubine and go to the empress's palace.
After the emperor left, the beauty's face turned cold.
"The Empress? She's only the second one. It's normal to have a third after the second, isn't it?"
The emperor was very pleased to see Liu Tong, after all, the seeds Liu Tong had sent back over the years were really good.
After cotton was widely promoted, his prestige as emperor rose significantly.
The emperor thus had a very good impression of Liu Tong and was planning to bestow a title upon him upon his return to the capital.
After Liu Tong thanked the emperor, Liu Yu'er stepped forward and presented a method for preventing smallpox using cowpox.
The emperor was even happier.
These are all achievements!
Once the smallpox vaccine is introduced, he will definitely be listed among the wise and virtuous rulers of all time.
The emperor agreed to let the crown prince accompany Liu Yu'er to get vaccinated against smallpox, but he was still worried about his son, so he sent his most trusted eunuch to accompany him.
The brother and sister took the crown prince away from the palace and went straight to the estate where Liu Yu'er was researching smallpox. When they passed by the Duke of Cheng's mansion, they picked up Liu Yu'er's two children.
In the village, the brother and sister successfully vaccinated their three children against smallpox.
Two weeks later, all three children had recovered and were healthy.
Liu Yu'er escorted the Crown Prince back to the palace, and the Emperor was overjoyed. He immediately issued an edict granting Liu Yu'er the title of Marquis and Liu Yu'er the title of First-Rank Imperial Lady.
When the news reached the Duke of Cheng's mansion, Lu Zhiyuan was stunned. Was his wife really that powerful?
Lady Cheng had no doubts, as she knew her daughter-in-law had been studying medicine to pass the time.
Lady Cheng: "What, you can't believe your wife is so outstanding? You never try to understand her, so how would you know what kind of person she is or how outstanding she is?"
Lady Cheng: "You only have Wen Xinyi in your heart. I've always been wondering, just how good is she that you treat her like a treasure?"
Lady Cheng: "First, let's talk about appearance. Wen Xinyi is indeed beautiful, but there's no shortage of beauties in the capital. Liu Shi is also quite good-looking. Second, let's talk about literary talent. The noble ladies in the capital learn music, chess, calligraphy, and painting from a young age, and they also learn housekeeping and needlework. If Wen Xinyi is so talented, why hasn't she become famous? Don't say she's low-key and unambitious. Being able to step on her legitimate sister and be favored by her father, is that what you call lacking ambition?"
Lady Cheng: "It's only because there aren't so many troublesome things happening in our household that you can't see through the women's scheming!" (End of Chapter)