In fact, a large number of soldiers died of smallpox disease at that time, so the palace had regulations that newborn princes should go outside to hide, but unfortunately, they were still infected with smallpox at the age of two. Fortunately, he finally recovered. However, even a

Dipox is a terrible infectious disease. The virus can produce rashes, especially on the face, arms and thighs. The mortality rate of the disease is very high. People who can survive usually have very serious scars.

1661 Emperor Shunzhi was very ill. He originally wanted to pass the throne to his second son, but his mother preferred the eldest son, and they failed to reach a compromise. Therefore, they sought advice from a trustworthy minister who suggested that the emperor give the throne. Passed to the third son, because he was the only one who survived before smallpox, immune to this disease, smallpox is a very terrible disease because it had a very high mortality rate, smallpox was very popular at the time, if the emperor It is very important to have immunity. In the end, three days after Emperor Shunzhi's death, his third son inherited the throne, which was Emperor Kangxi.

In fact, a large number of soldiers died of smallpox disease at that time, so the palace had regulations that newborn princes should go outside to hide, but unfortunately, they were still infected with smallpox at the age of two. Fortunately, he finally recovered. However, even after he recovered, he left many scars on his face. After ascending the throne, Kangxi worked very hard to fight against the disease, and followed his father's isolation strategy for many years. In order to avoid smallpox, he also built a mountain. Later, Kangxi built many pavilions in the north of the Great Wall. If other nobles want to see the emperor, they don’t have to enter the capital, so as to reduce smallpox infection. After

, two missionaries discussed with him how to avoid smallpox. At that time, they proposed a very magical method, which was to extract viruses from the skin and implant them into healthy humans to produce smallpox antibodies. Therefore, he found 30 unobtained ones. The palace maids who passed through smallpox extracted the virus from the skin of smallpox patients and implanted the virus into the palace maids. Four palace maids died behind them, and the remaining 26 people immediately went to contact the smallpox infected persons, but only 4 people reinfected the smallpox. , the remaining 22 were immune to smallpox virus, and although this ancient technique was a high-risk method, it was the most effective option at the time.

Thanks to his efforts, the popularity of smallpox was effectively curbed at that time. Finally, on December 20, 1722, Emperor Kangxi Xuanye died of illness at the age of 69.