There was no effective treatment for smallpox, and all kinds of medical books focused on prevention, and modern smallpox had long been eradicated. In the seventies of the last century, the world was vaccinated, and in the eighties the WHO declared that smallpox had been eradicated.

Among all the preventive measures, pox is the best, and it is also divided into human pox, cowpox and other types, among which the toxicity of cowpox is relatively weak.

This is an effective measure to prevent smallpox by using the common cross-reactive antigens of vaccinia virus and smallpox virus to induce autoimmunity in the body.

Cuihua and Heiwa searched for dozens of medical books on the cultivation and extraction of cowpox, the people vaccinated and the inoculation method, and finally formed a thin book.

In order to find a way to find the source of this book, Heiwa in Ningdi came up with the idea of a foreign product.

After determining that there were several missionaries in Lingnan, only two of them with a junior high school education held back for several nights and smashed the Chinese and English dictionaries before they tossed out a copy of "Smallpox Prevention".

He also made a special trip to find a missionary to translate it into Bactrian script.

Just when the two of them were tossing and turning Chinese and English into each other, the Tatars in the north launched a fierce attack on Great Xia. In less than ten days, the border was torn open several openings, and the Xu family army bore the brunt of the heavy losses, and the general soldiers of Xu were seriously injured and died in the battle.

The battle line collapsed for a time, thanks to the rush of reinforcements from the imperial court, and the defense was successful. At this time, smallpox could no longer be cared for, and the Great Xia army was either desperately defending, or defending the enemy head-on.

The number of infected people is doubling every day, and all of them have reached the north except for a few who treat the nobles in the palace.

In addition to isolation, cooling down the feverish soldiers can only be carried hard. However, more than half of the total number of infected people has been infected, and the quarantine environment is also non-existent.

When the news of General Xu's death from serious injuries reached the capital, the Empress Dowager fainted, and Xu Shangshu turned white overnight.

It was at this moment that the King of Shu received the express delivery from Heiwa, and he went over and over again to read the Europa text of "Smallpox Prevention" and the translation of the Great Xia for two hours, and finally found the staff team to discuss.

On the second day, the Shu Wangfu sent hundreds of servants to the major villages in Shu, but in order to find the cowpox. He just had a gut feeling that the cowpox method mentioned in this book should be the root cause of smallpox.

And Mr. Yuan Qian, who found such a heavy treasure for him, actually repeatedly mentioned in the letter: This is what he inadvertently obtained in the imported store in Ningdi, not this method invented by him, please don't mention him in this move.

Very simple words: It's not that the subordinates don't covet fame, but they are ashamed of the author of the book, and the subordinates are just a porter of the book.

On the road of imperial competition, people who have become more and more cold-blooded have red eyes when they look at this letter. It's just that there is no need to worry about a lot of debts, and there is only a thousand total positions, and there is a lot of room for rereward.

After the errand, Cuihua's stay in Ningjiang Mansion ended. Set sail again, this time Mr. Fan and his old servants and two guards were added to the team, 15 people + two dogs.

The luggage is also getting more and more, and the dried prawns alone are carrying dozens of catties, not counting the smuggling of Cuihua.

Dried sea cucumbers and dried shield fish (abalone) were not spared, and the two heads asked his mother to send some of these delicious seafood to his new friends while packing his luggage.

For the sake of the children's friendship, Cuihua paid a courier fee that was several times more expensive than dried seafood.

From Ningjiang Mansion to the capital, take the closest waterway and sea route. If you are a waterway, you have to go against the Beijing-Hangzhou Grand Canal and pass through Shifu.

There was no forbidden sea in Great Xia, but the ship's technology was still relatively ordinary, and they could not sail to the sea. However, there is still no big problem with offshore navigation, but the speed of navigation is related to the season, and the risk is greater than that of waterways.

A group of people discussed the route, and both sides said that they wanted to take the sea route, but the waterway of the Dahuang River was tired of going crooked. I don't get tired of catching the sea every day, and I want to fish in the big boat and blow the sea breeze.

Mr. Fan, an old naughty boy, used to see a lot of mountains and rivers, but the farthest is the north, Mobei, and the south is just to the south of the Yangtze River.

This time to Ningjiang Mansion in the east, it was also the first intimate contact with the sea. The magnificent sea makes Mr. poetic, splashing ink endlessly, and having the opportunity to sail, it is simply eager to set off immediately.

There is no sea ship directly to the capital, and the farthest is only to Haiwei Mansion, which is the old nest of King Lu before.

Mr. Yuan Qian's cement factory and cement road in Ningdi also came to an end, and secretly discussed with his daughter-in-law that he could reunite when he arrived in Ludi.

I hope that my daughter-in-law can stay in Hai Wei Mansion for a longer time. The Ludi cement factory circled by the king of Shu is in Fangdong Mansion, not far from Haiwei Mansion.

Just as the two were about to leave, the servant woman of the Shu King's Mansion finally found a buffalo with pox in a remote village ten days later, and bought it from the farmer's house for fifty taels of silver.

The king of Shu had dozens of farms on the outskirts of Chengdu Prefecture, and found the largest of them to be managed in a closed manner, and packed all the palace doctors in the mansion. This group of doctors, who regarded this cow as their ancestors, counted the pox every day and observed the pox scabs.

The general division in the medical book is: four steps: seedling selection, seedling harvesting, seedling storage, and seedling planting.

When selecting seedlings, acne scabs, regardless of size, round and thick, purple and clear color, no faintness are better; When harvesting seedlings, it is just right to uncover them, too early will scar, too late will not be enough.

The seedlings can be stored, choose a suitable acne scab, remove the floating dirt, wrap it in dry bamboo paper, indicate the date of the seedlings and put it in a clean porcelain bottle, and store it in a cool and dry place.

This vaccinia is most suitable for people under the age of thirteen or fourteen, and the older the age, the greater the risk. When planting seedlings, first grind the pox scab into the end, add water and mix it thoroughly, stain the seedling pulp with cotton, and smear the scratches on the arm of the inoculator.

After about 2 hours after seedling, the dilute pox pill can produce an immune effect after about 20 days.

The ingredients of dilute pox pill are: 1 tael of red beans (small rice red beans), 1 tael of black beans, 1 tael of mung beans, and 1 tael of powdered grass, which mainly clear heat and detoxify.

It is so clear that when witnessing the miracle of history, the doctors of the government have shown a state of fearlessness of death.

The first group of people to be vaccinated is three types of people: the first group is children under the age of 13 and more than 3 years old, the second group is adults between the ages of 14 and 25, and the third group is young adults between the ages of 25 and 35.

There were prisoners on death row, as well as servants and their families who were under heavy rewards. After the classification was completed, they were all closed in small rooms isolated by Zhuangzi. Seven days of good food were fed before they were seeded.

The government doctor is divided into two teams, one team is mainly for selection, harvesting, and storage of seedlings, and the other team is only responsible for seedlings.

The first batch of experimenters gave birth to 10 people in each of the three groups of people, and those who were vaccinated were closed and sent to another house to wait for them to have pox.

The tense atmosphere in the Shu Wangfu is no less than that in the farm, and the Shu King asks to report several times a day, and it is almost broadcast live.