Zhao Lei looked at Tian Yan with shock. He never expected that Tian Yan's vast friendship and was sought after by dignitaries because of his skill in preventing smallpox.

Smallpox is a severely contagious disease caused by filtered viruses. The mortality rate after illness is extremely high, usually up to 25%, and sometimes even as high as 40%. Those who do not die by chance will leave permanent scars or permanent blindness.

There is a saying in the Northern Song Dynasty: "Only half of the child is born, and only the smallpox is considered complete after giving birth." This shows how harmful smallpox is in the Northern Song Dynasty.

As far as Zhao Lei knows, people had seen scars of smallpox on Egyptian mummies more than three thousand years ago, and India also had this disease in the sixth century BC.

In the Middle Ages, smallpox was widely popular in countries around the world, and almost 10% of the residents died of smallpox. One out of five people had a slight spot on his face, and even the emperor was unable to escape. King Louis XV of France, Queen Mary II of England, King Joseph I of Germany, and Peter II of Russia all died of smallpox. During the Northern Song Dynasty, most of the royal offspring and children of noble families who died in childhood died of smallpox.

By the 18th century, the number of Europeans who died of smallpox reached more than 150 million. There was smallpox in the Americas, which was brought in by the Spanish in the 16th century. According to reports, smallpox was prevalent in the United States in 1872 AD, and more than 2,000 people died in Philadelphia alone. In Russia, from 1900 to 1909, there were 500,000 people who died of smallpox in the ten years from 1900 to 1909. It can be seen that smallpox is an extremely dangerous infectious disease.

In the Central Plains, as early as the Jin Dynasty, there were records of smallpox. Ge Hong's "Emergency Prescriptions for Elbows" in the Jin Dynasty described the symptoms and prevalence of smallpox for the first time: "When you are sick, you will develop sores when you are sick in the year, your head, face and body will appear. It will be like fire sores, which are all carried white slurry and will be reborn as soon as possible. If you don't treat it immediately, you will die. Those who are not treated badly are vitiligo, purple-black, and will be destroyed after a year. This is a vicious qi." According to Ge Hong's "Emergency Prescriptions for Elbows", "According to the Jianwu period, you will call it a "Emergency Prescriptions for Elbows." It is believed that this disease was introduced to my country around the first century AD. It was brought by prisoners during the war, so it was called "Emergency Prescriptions".

From then on, smallpox records have been recorded in classics in my country. Although the names of diseases mentioned in each book are different, the symptoms described are undoubtedly smallpox. Since the Tang and Song dynasties, this disease has gradually increased, with developed traffic and frequent personnel exchanges. Smallpox is widely popular in the Central Plains, and even spread to the deep palace ban, becoming a severe harm that makes people scared to talk about the entire Northern Song Dynasty.

Zhao Lei was born in a family of traditional Chinese medicine and was very familiar with the disease of smallpox, but it was completely eliminated after a thousand years. He had only seen it in books. As far as he knew, Zhu Chunyi of the Qing Dynasty once recorded a story, saying that Wang Dan, the prime minister during the Zhenzong period, died of smallpox. After Wang Su was born, Wang Dan was afraid that it would be unexpected, so he found a genius doctor Taoist priest to vaccinate Wang Su. As a result, Wang Su was indeed not infected with smallpox and lived to the age of 76.

But Zhao Lei always thought that this was a false story, but when he heard Tian Yan's words, he thought about the time, place and character in the story, and immediately thought of the person who gave Wang Su acne, was most likely a Taoist priest from Peng Zu's lineage.

"Master! The Emei divine doctor Taoist who fed Wang Su back then was not the one from our Peng Zu lineage!" Zhao Lei asked in surprise.

Tian Yan smiled proudly and said, "I didn't expect that this incident from decades ago would be known. It's not bad! That was what your master did back then!"

No! Zhao Lei was stunned and didn't expect that he would encounter a master of acne who appeared more than 500 years later in the Northern Song Dynasty.

"Master! What's going on with acne!" Zhao Lei asked curiously. Smallpox has become extinct in a thousand years, and many doctors don't know about this disease, let alone treatment. Zhao Lei only heard that acne is a vaccinia taken from vaccinia, and he doesn't know anything else.

"Vesting acne has a history of hundreds of years in the Central Plains. As early as after Ge Hong's "Emergency Prescription for Elbows", he began to study ways to prevent and treat acne. Later, he used poison to fight poison to prevent smallpox, so he began medical research on acne.

The earliest prevention method in the past was to use buffalo lice and powder as cakes or ashes to store and porridge rice, but it was not effective at all. Later, it developed acne-clothing method, putting the underwear of the sores on to cause infection. However, this method has a high mortality rate and gradually stopped using it. Then it was studied. It was acne-clay pulp method, which was to use acne-crust pulp and plug the nostrils of the inoculated person with cotton. However, this method has a higher mortality rate and was abandoned.

What we are using now are the dry seedling method and the water seedling method.

The method of dry seedlings is to grind the acne scab into powder and blow it into the nostrils with silver tubes; the method of water seedlings is to grind the acne scab into fine and mix it evenly with water, and use cotton to stain it into the nostrils.

These two methods have their own advantages. The drought seedling method has a very strong toxicity, but the effect is excellent and is only suitable for people with strong bodies. However, the water seedling method is diluted by water and has a poor toxicity. Try to use people with weak bodies.

But the two methods also have their own shortcomings. Drought seedlings are too toxic and fatal, while water seedlings are too peaceful and not easily infected. Therefore, what seedlings are used specifically, how to use seedlings, and the treatment after the seedlings are the most important things, and this is also the main reason why acne cannot be promoted." Tian Yan sighed.

"Why don't you use cowpox? Cowpox is toxic and not fatal, and it is very infectious. It can also prevent acne after planting it!" Zhao Lei asked disappointedly when he heard that there was no cowpox method in later generations.

"Vacpox! I haven't heard of it. Can vacpox be grown on humans? Cows are beasts!" Tian Yan looked at Zhao Lei strangely and asked.

"Of course! Master, you should go to the fields to ask. Many cattle farmers are infected with cowpox, and rarely are life-threatening, but they can prevent acne sores. Cowpox is better than drought and water seedlings, and it is not life-threatening!" Zhao Lei said loudly.

"Really! Master immediately sent someone to investigate. If cowpox can really prevent acne and is not in danger of life, Sanshi will definitely leave a lot of money in history. This is a great act of good that can save millions of people!" Hearing Zhao Lei's affirmative words, Tian Yan absolutely believed in Zhao Lei, just as he believed that he could save the patient just now.

"Vaccinopox can definitely prevent acne!" Zhao Lei continued to say affirmatively.

"Since that's the case! Master will send someone to investigate now!" Tian Yan finished speaking excitedly and walked out quickly.

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Tian Yan received a reminder from Zhao Lei that he would take Taoist children everywhere to investigate the feasibility of collecting evidence of the growth of cowpox. Zhao Lei stayed in Taoist temple and began to study the ancient books and medicine books left by Tian Yan, such as "Emergency Prescriptions for Elbows", "Qianjin Prescriptions", "Outside Taiwan Secrets", "Newly Revised Materia Medica", etc.

Zhao Lei's life was relaxed and fulfilling, he studied in the morning and evening, helped Tian Lan take care of the patients in the Taoist temple during the day, and flirted casually.

The patient who was treated by Zhao Lei after blood transfusion successfully escaped from the danger period and recovered slowly. He was even more grateful to Zhao Lei who saved him.

The fact that Zhao Lei used blood transfusion to rescue critically ill patients spread throughout Wuyang in just a few days, and there was a tendency to gradually expand outward. All of this is thanks to Tian Yan. He accepted Zhao Lei as his disciple and greatly improved Zhao Lei's status in the medical field. Otherwise, if only one patient was cured, how could he become famous so quickly!

However, Zhao Lei's Western medicines and medical devices are useless again. After all, no one would believe that they have never seen or heard of strange drugs, and no one would want to be cut by Zhao Lei on his body and cut them into pieces.

The weather is getting hotter and hot, and it is already the hot summer in July. In the era without air conditioning and ice cream, Zhao Lei feels that summer is particularly difficult.

It started drizzling again in the morning and the weather was very cool. Zhao Lei was wearing a short collar and was comfortably reading traditional Chinese medicine under the pavilion outside the Taoist temple.

At this moment, there were sounds of horse hooves at the official road west of the Taoist temple.

It was not a carriage, but a cavalry! Zhao Lei immediately judged from the sound of horse hooves that it was a man who was racing on a horse. This was not his intelligence, but a lonely rider, which had already caught his eye in the drizzle.

This is a military horse, and the cavalry galloped by alone. Zhao Lei clearly saw the mark of the military horse on the horse's buttocks.

What are the military horses doing when they come to Taoist temple? Seeing the lonely cavalry rushing into the Taoist temple, Zhao Lei stood up and thought strangely.

Just as Zhao Lei was confused, the carriage that was rarely used in Taoist temple was pulled out. Tian Yan also rushed out of the Taoist temple with a medicine box, ran to the pavilion, and said anxiously to Zhao Lei: "Hurry up! Get ready, Meishan County Magistrate Ge, has a disease of intestinal abscess, and his life is in danger!"

Intestinal abscess! Two months of bad nourishment made Zhao Lei understand that the so-called intestinal abscess is appendicitis a thousand years later.

Is it necessary to be so anxious to appendicitis? Zhao Lei thought strangely.

The medical fields such as acupuncture, massage, and traditional Chinese medicine in the Northern Song Dynasty have developed to a peak. If you take a few injections, prescribe two pairs of Chinese medicine, and massage a few more times, there will be no problem at all, so you don’t have to think about the seriousness of surgery in later generations.

"Mr. Ge used to have a sudden intestinal abscess. After being cured, it turned into a chronic intestinal abscess. It was nothing serious, but now it is abrupt. Moreover, acupuncture, massage and Chinese medicine are not effective, so we were asked to treat it!" Tian Yan said anxiously.

It's over, it's impossible not to have surgery this time. The Meishan County Magistrate obviously had appendicitis perforation. If the surgery is not performed, life will definitely be in danger. After hearing Tian Yan's words, Zhao Lei thought nervously.

The intestinal abscess of Meishan County Magistrate is a very serious challenge to Zhao Lei. The appendix is ​​a slender blind tube on the inner side of the cecum of the human body, but the length and position of the appendix of each person are inconsistent. With Zhao Lei's current experience and skills, it is difficult to accurately find the correct position of the appendix in the patient's body. If the surgery is successful, it is okay. Zhao Lei will definitely become famous in one fell swoop, but if the surgery fails, no one will dare to ask him to take the surgery.

Opportunities and risks coexist! Zhao Lei pondered for a moment and finally decided to take a try. He ran back to Taoist temple in the rain and took out a complete set of surgical tools from the warehouse. Although there was a lack of anesthetic drugs, Tian Yan had a zombie grass here. After eating it, it could make people look like a zombie. Although the brain was clear, the body had no sense of consciousness and was harmless to the human body, but the effect was only three hours.

With everything ready, Tian Yan and Zhao Lei got on the carriage and started heading towards Meishan.

What is waiting for Zhao Lei is the first surgery. If you succeed, you will be famous all over the world, and if you fail, you will never be able to recover.
Chapter completed!