Before that, the seeds of the plague had been planted in Bianjing, because we all know that the plague basically occurred in densely populated places there, because they produced a lot of garbage and the air was not circulating. There is an old saying that illness is the inevitable companion of war. At that time, the life of the military crowd was highly concentrated, with great mobility and special tasks, and it was very easy to occur and spread diseases. Moreover, the medical conditions and sanitary environment at that time were very worrying. At the same time, the army will be tired during long-term running, the immunity will decrease, and the chance of getting sick will be greatly improved.
Moreover, at that time, Xu Jin sacrificed many soldiers to defend Bianjing, and the bodies of these soldiers could not be cleaned up in time. If corpses are piled up for too long, it is easy to produce germs, and then they will pollute the surrounding rivers and soil, so there will be a great epidemic after the disaster. That's why. This is the case in Xu Jin. After such a difficult battle to defend Bianjing, many of its soldiers were infected with the plague.
Moreover, the climate in Henan province was abnormal at that time, and it was very cold in May. As we all know, the current spring is the time when those flu outbreaks are very easy. At that time, although it was not spring, it was in a period of sudden warmth and cold, so people's immunity was very low. Soldiers in the state of Jin fought even when they didn't have enough to eat, and their immunity declined, so an unprecedented plague of one million people occurred. Since the plague has spread to such an extent that there is no way to continue to defend it, the plague has become the last straw to overwhelm Guo Xu.
Beginning of winter has the custom of tonic. People eat ginger ducks and mutton stoves to make up for winter. In fact, there are mo