"I haven't heard of it, but it's ......" Yu Jing's face was sad, and Zheng Lang couldn't tell if he was really sad, but Yu Jing's expression was indeed very sad when he spoke, and he was worried about it.

This thing can only be prevented, and if it is stained, it will definitely die, even if the lives of the soldiers are hung at any cost with various prescriptions on the front line, it will only allow the soldiers to live for a few more days, and the physical fitness will live for more than ten days, or twenty days. It can't be dragged out to the last.

Of course, if you survive, the body will build up its own immune response to malaria, and even if you live in malaria-endemic areas, you will be severely less likely to contract malaria after being bitten by a mosquito with malaria parasites.

The principle Yu Jing didn't know, but he heard Zheng Lang say it repeatedly.

Don't say anything about miasma in the south, more than 90% of the symptoms are not real miasma, but malaria.

Even if there is any immunity, it is crucial to whether it can be cured.

Yu Jing said again: "General Di Qing saw that the condition was serious, and he had already led the soldiers and patients to withdraw to Temo Village. It's just that Di Qing can't bear to leave the patient behind, and take all of them with him when he retreats, which will cause more soldiers to be infected......"

"I know," Zheng Lang returned home in a gloomy mood.

Hearing that her husband was back, Yue'er prepared a sumptuous dinner and deliberately dressed up again.

Dressed in a purple palace dress, it has been processed, slightly like the form of the Tang Dynasty palace costume, with a blue shawl on the shoulders, and a small half of the crisp chest is exposed outside, and he knows that Zheng Lang doesn't like high buns very much, so he put the buns short, and the rest of the green silk is braided with a ponytail in the back. There are also a few small braids on both sides. is not as bright and glamorous as the Wu Yi family, nor is it as small and charming as Cui Xian. But there is a feeling of youthfulness, health and liveliness.

Women are the ones who please themselves.

I don't care about my husband's thoughts, so I naturally won't deliberately dress up in front of my husband and show my beautiful side, but if I care about my husband's thoughts, it is essential to make myself beautiful by putting on makeup. Therefore, there are women who are pleasing to themselves.

If it were in the past, Xiao Bie Sheng was newly married, and Zheng Lang would immediately rush over and make love to her.

But Zheng Lang was not interested at this time.

"Yue'er. Prepare me with pen, ink, paper, and inkstone. ”

Yue'er was stunned at first, and then obeyed.

Zheng Lang took a pen, ink, paper, and inkstone, and began to copy the "Compendium of Materia Medica" recorded in his mind. This was the information he downloaded to his hard drive, but in the Song Dynasty, all kinds of technology and productivity reached their peak, including traditional Chinese medicine. Perhaps copying this book will play a complementary role in traditional Chinese medicine, but the effect may not be very large, and it is not his own job, and he is not available, so he did not copy it. Moreover, compared with traditional Chinese medicine, the reform of the Song Dynasty system is particularly important. Then there's science. That is, his physicism, once developed, will play a more important role in the progress of medicine.

Now Zheng Lang is forced to copy this book, showing a picture to find a shortcut to treat malaria from the book.

"Why don't the officials eat dinner?" Yue'er asked.

"Where to put it. I'm not hungry for a while. ”

"Official, the eldest lady has written a letter to you."

"Bring it."

Yue'er took the letter, and asked him in a strange tone on the letter, are you really happy? Other families are reunited, but my family lives in three places and one in Lingnan. One in Zhengzhou and one in Beijing. Other people's children wandered around my father, but my two daughters and two adopted sons asked my father where he was every day and asked me to point to the map. In this way, you are not very happy.

The following are the words written by Xing'er, let Zheng Lang not go around, there are miasma everywhere, aren't you afraid, if there is a mistake, don't think about yourself, but also about your family. Besides, Zheng Lang said that the ruler of the country is not a one-person ruler, but must learn to use people, is it possible that in addition to him, there are no officials in Liangguang who inspect water conservancy in various places? Going around like this makes them feel more uneasy than Zheng Lang in Khitan. …,

Si'er and Huan'er wrote another text, saying that they wanted to come to Lingnan.

Zheng Lang looked at the lines of text on the letter, and his expression became gentle.

Turning his head to Yue'er, he said, "I have wronged you." ”

"The concubine is fine, the officials are doing big things."

"Tomorrow, you will bring someone to buy some ivory, as well as those Li flower cloths, and some other specialties of Liangguang, and ask someone to bring them back to the capital."

"Whoa."

Zheng Lang replied with a letter, first greeting the family, and then asking Cui Xian to take the family to Zhengzhou. It doesn't have to be in the capital, Zhengzhou can too. In fact, if you do this yourself, as an official, if you are an official of one state and one government, it is not a big problem, but it is a little too much to be in charge of all the affairs of the two provinces. But so far, there are no ministers who are verbose, there are several reasons, one is Zhao Zhen's protection and trust, and any other emperor is not thinking. The second is that the atmosphere of officialdom is not too bad, and he is also a civil servant, and the officials are afraid that the Qing ministers will besiege him, so he does not dare to find trouble for himself. The third is childless! This is equally important. Fourth, all the family members stay in the capital or Zhengzhou, and they love their families very much, not to mention how dangerous Lingnan is, even if it is not dangerous, and the family members cannot take it over.

This is said very vaguely.

And then another thing to talk about is people's ability to adapt to geographical differences.

In this era, people rarely traveled, southerners did not adapt to the cold of the north, and northerners did not adapt to the scorching heat of the south. Cao Cao's army went south, and the south of the Yangtze River was mostly undeveloped at that time, so there were many epidemics in the army. It is this lack of adaptation to regional differences that is the result. The Tibetans occupied Chang'an, but soon because they did not adapt to the low-pressure climate, they were sick and frightened and retreated. There is also the future, the powerful Yuan and Mongolian armies, in order to form a pincer attack on the Song Dynasty from the north and south, detoured from Tubo to Dali, one high and one low, one south and one north, one cold and one hot, and countless soldiers died. Not died in battle, but died of disease. Even Zheng Lang sometimes thinks YY, if the Song Dynasty sends troops to help Dali at that time, will Yuanmeng fail in Dali?

Yuan Meng did not say, only said the former.

This is a big example, and another example is that Fan Zhongyan was originally married to his wife Li, because he went down to the south of the Yangtze River and arrived in Raozhou, he did not adapt to the southern climate and died of illness soon. Lingnan is far worse than Raozhou, don't see General Zhang Qi as a brave person, he forcibly detained him on Jinghu South Road and didn't let him cross Wuling. Without him, he was injured a lot, and he was a northerner, and he came to Liangguang. It will have a very bad impact on Zhang Qi's body. Now that Yue'er is here, it doesn't matter, she is healthy and young, and the other girls can't.

Besides, of all the officials who went south, how many of them brought their families?

There is only Yu Jing, but Yu Jing's wife is a native of Shaozhou. People were born and raised in Lingnan, how do they compare with northerners?

As for whether there will be miasma. I know that I won't drill into those legendary miasma, so don't worry. This is the place to be. It's unbearably hot. It doesn't matter, it won't be too long in Liangguang, at most there are two years left, and I will be transferred back to Jinghu South Road, and when I get to Jinghu South Road, the court will not have so many fears, see if we can bring them to Tanzhou and reunite with the family.

Finally, I want to say one more thing, if you stay up for a few years, you will be able to govern the south in a big way. Your own fame will reach its peak. Then in order to avoid suspicion, you must stop and rest for a few years, get out of the center of power, and then you will take your family and recuperate in Zhengzhou for a few years. Enshrine several mothers. By the way, the book said, the family can live a happy life together.

It's not a lie, it's going to do this, even if Zhao Zhen blocks it, it can't be done, otherwise he just doesn't know the way to advance and retreat.

Sealed the envelope and said to Yue'er: "Send this letter back to the capital tomorrow." ”

Then he said, "You send guards to Yujing's mansion." Let him call all the doctors in the city, and bring some books on medicine in the city. ”…,

"Okay."

After a while, Yu Jing arrived at Zheng's house with many books and more than a dozen doctors.

Zheng Lang said: "Let's sit down." ”

One by one, the people sat down.

Zheng Lang began to discuss with the doctors how to treat malaria, and as he spoke, he involved all aspects of Chinese medicine. Yu Jing realized the value and said, "Don't worry, don't worry. ”

"What?"

"Know, record it, write it down." There are many problems in Liangguang, how can Yu Jing, as a Lingnan person, not want his hometown to become better? Zheng Lang's various practices are not as dark as Zheng Lang thought, and he is very cooperative. This is also the most important reason why Yu Jing's political achievements in Liangguang are outstanding in history.

Lingnan has all kinds of drawbacks, especially the sick. The people like witches but not doctors, and hundreds of people die of various diseases every year. Including Shaozhou. Seeing this situation, Yu Jing was anxious, Zhang Jiuling, who was also a famous minister in Shaozhou, also wanted his hometown to become better, so he built the Da Luling Ancient Road. But what about yourself. What we are discussing today seems to be very wide-ranging, and it will even be of great help to the development of Lingnan medicine, and Zheng Lang's prestige in Liangguang is getting higher and higher at this time, which will reverse the backward medical concept of Liangguang.

Therefore, I prepared pen and ink and began to record, afraid that I would not be able to write it down alone, so I sent someone to call the officials to come and help record.

But the main thing is against malaria.

Including the Changshan soup in the Compendium of Materia Medica.

Changshan soup could not cure malaria, but because these prescriptions were sent to the front line one by one, they had a delaying effect and hung the lives of many soldiers.

And in the past few days of discussion, one by one the prescriptions have been passed out, almost becoming a grand ceremony in the field of traditional Chinese medicine, and finally many doctors from surrounding states and counties came to Guizhou together, one is to see Zheng Lang's appearance, the other is to admire Zheng Lang in his heart, he is really the best person in the Song Dynasty, even Chinese medicine knows a lot, and the third is to come and learn.

In the next few days, Zheng Lang almost stayed behind closed doors, communicating with the doctors, and copied the "Compendium of Materia Medica" in the evening. It wasn't until Hongzhou transported those medicinal jades over that Zheng Lang went out to watch. I looked at it, and there were many utensils that were not standard and could not be used. He discarded the vessels, leaving some of the useful vessels, and then ordered a few houses to be built in preparation for the experiment.

But just in case, I still delve into various ancient recipes to study.

A passage was opened from Temo Road to Guizhou to improve the transmission speed. However, bad news came day by day, and hundreds of soldiers died of the disease every day.

In a hurry, Zheng Lang wrote a letter and asked the messenger to send it to Dali, venting his monstrous anger on Duan Silian, why do you Dali dare to take in the traitors of our dynasty, if you take it in again, please wait for our army to enter your Dali City.

This letter also exposed Zheng Lang's panicked psychology.

The Song army was forced to withdraw to Temo Village due to malaria, and it is impossible for Dali not to know, with this natural guarantee, will Dali be afraid?

Zheng Lang really seemed to be going crazy, even if he didn't move the clan to see him, he didn't even realize it. Yu Jing shook his head, Zheng Lang's intentions are good, but this malaria has become an incurable disease since ancient times, and he wants to be cured in a short time. How could it be.

Because of this malaria, the water conservancy plan in Guangzhou was also delayed.

Seeing July, the imperial court also felt urgent when they heard about it. A large amount of sulfuric acid was transported to Guizhou again.

Zheng Lang went out for the second time, he was doing experiments, letting the doctor and various officials watch, once it was successful. You can't make any profits, you have to be popular. The pain of malaria is not only related to the safety of the army. At this time, many people in Lingnan died at the hands of malaria every year, not the so-called miasma.

Not many people understand it before, and it is a reaction between high alcohol and sulfuric acid. Distilled ether. Because ether has a low boiling point, it is easy to explode and burn, so the distillation process is very troublesome. Moreover, at this time, the composition of high-altitude wine is very complex, and the alcohol content is not pure, so it may not be successful. …,

After two days and dozens of researches, two explosions occurred in the middle, and the air flow set off by one explosion scratched Zheng Lang's face, and the research and development was finally successful.

Yu Jing rushed over after hearing the news and saw Zheng Lang's appearance. Frightened, his whole body was scorched black, stained with smoke and dust, and his face was still dripping blood, and he said, "Xingzhi......"

"Brother Antao. Leave me alone. Zheng Lang said rudely.

The next most important hurdle is the treatment of Artemisia annua with ether.

After processing, they were packed in small porcelain bottles, then corked and sent to Temo Village urgently. In addition, a manual was written indicating the approximate dosage. I don't know, so this dosage is very strange, and the difference between the top and bottom is nearly ten times.

In desperation, a dead horse became a live horse doctor, so he had to use a soldier infected with malaria as a guinea pig.

The medicine was sent away, Zheng Lang watched the soldiers and horses go farther and farther, praying in his heart, this is the last measure, if there is no effect, the development of the two Guangxi will become difficult.

Then he sat in Guizhou and waited for news, and continued to discuss pathology with the doctors and study prescriptions.

On the fourth day of the seventh month, Temodao sent an envoy back to Guizhou.

Zheng Lang greeted him from afar and asked, "How?" ”

The two soldiers looked happy and said, "Okay, okay, all the malaria is under control, only ten soldiers died the day before yesterday, and the rest survived." ”

But not necessarily, the main reason is that the soldiers have high physical fitness, and many soldiers have developed antibodies when they are hung until now. The real agent is not 100% artemisinin, if you want to become artemisinin, you have to go through many procedures, and the ether treatment effect is not very good, if you want to have a good effect, you must have a solvent with a lower boiling point, this solvent is under the conditions of the Song Dynasty, even if Zheng Lang brings relevant knowledge, it can't be done. And this extract does not separate acidic and neutral substances, and the acidic substances in it are toxic and harmful to people.

There is still a season, Zheng Lang does not know how to preserve this medicine, and if he wants the medicine, he can only use it during the flowering season of Artemisia annua, which limits the time to May to September, and he is still helpless to contract malaria in other seasons.

The efficacy of the medicine is also limited, and it has a benign effect on the soldiers, and it may not be able to achieve such a high cure rate for ordinary people, at most it remains at six or seven percent. In particular, this toxic agent will cause serious harm to pregnant women, the elderly, and children.

Fortunately, the medicine does contain a large amount of artemisinin, and Zheng Lang used the artemisia annua leaves in the flowering season, and he was not mistaken, the artemisia annua flower season is also the season when malaria is raging, after these months, it is winter and spring, there may be winter miasma and spring miasma, but most of them are not malaria, but other diseases, and the harm is not great.

Side effects Zheng Lang didn't know, but he estimated that there would be side effects in his heart, but no matter what the side effects, being alive was better than being dead.

For more than ten days, Zheng Lang's heart suddenly relaxed, his head was dizzy, and he sat on the ground all of a sudden, his body was soft, and he didn't stand up, but the guards helped him up. Zheng Lang said to the doctor and some officials in a trembling voice: "Come, come, go to the workshop with a certain way, and teach you how to do it." ”

There were not only soldiers, but also civilians.

Walking into the workshop, Zheng Lang was so excited that his hands and feet were not good, and a few small officials on the side were afraid when they saw it, stopped him, and said: "Zheng Xianggong, you teach, let us come." ”

This thing was too dangerous, and the explosion the other day was as powerful as a tiny powder pack. If it weren't for a guard who knocked Zheng Lang down, Zheng Lang's life would be in danger. Zheng Lang's trembling hand made them look very worried.

They don't yet know the significance of the appearance of this elixir.

Although malaria cannot be completely controlled, there is hope that malaria will not become a major hazard in the south if we pay attention to reasonable lifestyle habits. Even if the news spreads, more people will take the initiative to go south to find a way out. …,

It was getting dark, and word spread quickly.

Zheng Lang returned home, in the past ten days, he didn't eat and sleep well, he relaxed all of a sudden, his whole body was soft, and he asked the guards to help him back.

Yue'er shed tears of heartache.

Zheng Lang smirked, stroked Yue'er's face and said, "You don't understand, you don't understand." ”

Not only the future of Liangguang, but also 60 million yuan, when did the Song Dynasty spend 60 million yuan to run that place?

The next day, there was news from Temo Road, and it was still good news. People continue to die of the disease, but the death rate remains very low, at a dozen. Some people have a new malaria contract, and after drinking the medicine, they recover immediately. After the study of the military doctors, the dosage will be roughly obtained. It also led to a good result, seeing that the soldiers' illness was under control and moving towards recovery, the depressed morale disappeared, and the morale was stronger than before. Malaria can't stop them, what else is there to be afraid of in the south? Zhang Yu and Sima Guang's conditions were also under control, but they had been sick for a long time and were still lying on the hospital bed, but their lives were not in danger.

After Yu Jing received the news, he came to Zheng's house, but Yue'er said, "The official is sleeping." ”

It's so hard these days.

"Then I won't bother," Yu Jing said goodbye, and then went to the workshop, asked the officials and doctors to continue to dispense the medicine, and wrote a note on behalf of Zheng Lang and handed it to the capital, reporting the good news to the imperial court, and asking the imperial court to send a batch of sulfuric acid. Sulfuric acid, like gunpowder, is a matter of military control and must be transported from the capital. If you want the front line to be safe and sound, you need Dali medicine, and the people of Lingnan also need this medicine to treat malaria.

Zheng Lang slept until noon before getting up, looking at the sun in the middle, he was stunned, came to the mansion, saw Yu Jing arranged in an orderly manner, nodded, and said, "Brother Antao, Guangnan West Road will continue to be handed over to you." ”

"What are you going to do?"

"I'm going to Guangzhou, and the water conservancy over there is still waiting for me to make a decision, and it has dragged on for many days, and I can't wait any longer."

"So fast?"

"It's not fast, it's slow, in the blink of an eye, autumn and winter will come, so many things to arrange, I can't afford to wait."

But this time, at Yue'er's strong request, Zheng Lang took Yue'er with him and went to Guangzhou together.

When I came to the dock, I suddenly saw countless people standing by the dock, and all the barbarian students in the academy rushed together. For this elixir, Zheng Lang's round face turned into a square face, and many people saw it. And the success of the potion will not only benefit the soldiers at the front, but also the barbarians of all races. It was only at this time that these barbarian students believed that Zheng Lang had really brought them a good life.

Zheng Lang succeeded in the research and development in the front, and hurried to Guangzhou in the back, so they were so moved by such hard work, and spontaneously rushed to see off the teacher of the academy.

"Thank you," after recovering overnight, Zheng Lang's expression returned to normal, and he returned to his previous calm and calm expression, rushed around, and took the guards and Yue'er, as well as the horse, and got on the boat.

The sailors untied the cables, and suddenly some teachers sat down, took out more than 20 guqins, and played them on the ground.

"The orchid is rampant, and its fragrance is promoted. Don't pick and admire, Yu Lan is hurt.

Today's rotation is true. I go in all directions, day by year.

Snow and frost trade, the majesty of buckwheat. If the son is not hurt, I will not look at it.

The majesty of buckwheat, the presence of buckwheat. The wound of a gentleman, the guard of a gentleman. ”

Singing repeatedly, the song echoed on both sides of the Li River, lasting for a long time. In their hearts, Zheng Lang is like the orchid buckwheat sung in the poem.

Listening to the loud singing, Wu Yishi, who was hidden in the crowd to see him off, suddenly dripped crystal clear tears from the corners of his eyes...... (Your support is my biggest motivation.) )