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"Don't look for trouble. If you look for trouble again, I will make it impossible for you to survive in Yueji City!" This slightly harsh and arrogant voice directly attracted the attention of Wu Ling and Chen Changqing.

I have to say that this sentence is really arrogant. One person can make the other person unable to survive in a city. How much power does it take? Even Wu Ling now wants to do this.

Too likely.

After all, although he is very powerful now, he does not have much influence. Even if some people offend him, just kill them directly, but if you want to make them unable to survive in this city, it is basically impossible.

.

Because the area of ​​a city, even the smallest city, is not too small. The population living in the city cannot be described as tens of thousands. It is at least hundreds of thousands or millions of people. With so many people,

In a city full of people, it is really difficult for a person to survive.

Not only must there be enough power to control the entire city's population, but the implementer must also be ruthless enough. Otherwise, the other party can hide it casually and cannot be found even if they want to find it.

After all, it is easier to drive the opponent out, but there is no way to say that the opponent cannot survive here.

Even the mayor of Yueji City did not dare to say such a sentence. Naturally, Chen Changqing beside him was not sure of this either. Their strength can easily eliminate a person's body, but they really leave no trace at all.

Blocking it is simply impossible.

These words seemed to be even more arrogant than Chen Changqing, the underground controller of Rose City. Therefore, after hearing this voice, Chen Changqing could not help but frown slightly.

He is here, but someone said this in front of him. This is a slap in the face of Chi Guoguo. It is inevitable that he will feel uncomfortable, especially now that he is still around Wu Ling, although he can't compare with Wu Ling now.

, but if you are embarrassed in front of Wu Ling, you will never want to stay with Wu Ling in the future.

Although he has a certain blood relationship with Wu Ling, they are distant relatives after all, and the relationship can be considered positive or not. If he cannot show his sufficient value, why should the other party keep him?

After all, not only has Wu Ling's strength reached the peak of D level, which is already worthy of his pursuit. What's more important is that the other party killed the leader of a society and nothing happened. What does this mean? In fact, he knows a lot

clear.

So after hearing such an arrogant sentence, Chen Changqing frowned and couldn't help but walk in the direction of the sound. Naturally, Wu Ling on the other side didn't have much idea about this. He was actually a little curious now. Who has it?

Such a loud tone, and I also want to know what happened.

There is a group of people on the other side of the voice. In addition to the villagers who are obviously relatively simple, there is also a group of people. They are not very well dressed. But they look quite uncoordinated. They are all dressed in black and have a burly figure.

, with a ferocious expression, it was just a matter of writing the words "I am a bad guy" on his face.

What surprised Wu Ling was that there was an acquaintance of his among them, the naughty kid who set off fireworks with him last time. But at this time, the other person's originally rosy face no longer looked happy, but looked slightly pale.

He looked at the man in black in front of him in fear.

"Zhang Cheng, Zhang Wei treated my child badly. I don't ask for anything. I just want him to take the child to the hospital for a full body check. If there is nothing wrong, we won't do anything, fellow villagers. That's all.

, why do you need to come here and fight each other so hard!" said the child's father, a middle-aged man who is strong but not tall.

"Who said it's cured? Isn't the child pretty good? I think it's still very energetic." As he said that, the big man with a fierce look was about to pinch the child's face. The woman holding the child behind her quickly stepped back.

After a while, he escaped the attack of the big man.

Seeing Zhang Cheng's actions, the child's father quickly took a step forward and stood in front of the child.

Zhang Cheng didn't seem to care about this. He clapped his hands and said to the father of the child in front of him: "Look, I think I'm in good health. I still need to go to the hospital for a full-body check-up. Do you know how much a check-up costs?"

? Thousands of dollars, aren’t you extorting money, or are you doing something else!”

Seeing Zhang Cheng's matter-of-fact expression, anger flashed across the child's father's face. The child had a cold, so he went to the clinic to get some fluids, but something went wrong, which already made him feel uncomfortable. Every child is at home.

The most important thing is that he is worried about the safety of his children, and it is normal for him to want to do some tests. But in the eyes of the other party, this becomes blackmail, which he cannot accept.

Although he couldn't accept it, he could only endure it when he saw the ill-intentioned people in front of him. After all, he was just an honest rural person. If he really broke up with these people in front of him, his family would not be able to live in peace.

After all, although these people don't have much ability, they are outright scoundrels. Once they make up their mind to rely on them, how can the family live in the future? So, although he was angry, he did not explode.

"I never wanted to blackmail anyone first. He gave the child the wrong medicine, which ruined the child's day. Now I want to take the child for a checkup, shouldn't I?" The child's father still wanted to continue to reason.

After hearing this, Wu Ling understood a little bit. He probably knew what was happening in front of him. It could be considered a medical accident that often occurred in rural areas.

Rural areas are different from cities. Whether it is population concentration, living environment, or income, there is no way to compare with cities. As a result, other aspects cannot be guaranteed, the simplest ones being education and medical care.

Education is good, and everything is slowly improving. In addition to insufficient educational resources, children can also get a good educational environment. But medical care is the most troublesome thing.

Rural areas are different from cities. There is no way for large hospitals to survive in rural areas. After all, the simplest problem for rural people is their income. If their income is too poor, they will not dare to enter large hospitals.

Large hospitals must also rely on treatment to survive, but this is something that rural areas cannot satisfy. As rural people, what they worry about most is actually getting sick. After all, the entire medical security system has not yet reached rural areas.

Any illness is a terrible disaster for rural people.

Therefore, even if they have some minor illness or pain, they will not go to a big hospital. They will only go to a big hospital when they really have no way to persist, and more often, they will choose some small hospital.

Clinic.

As a result, small clinics in rural areas are blooming everywhere and have a certain market presence. But after all, there are no formal medical licenses, so the medical environment in rural areas is uneven, and many doctors even do not know how to prescribe medicine.

However, the other party can still open a clinic.

In such an environment, some medical accidents will naturally occur frequently. Among these accidents, the most common one should be the use of the wrong medicine. And, if Wu Ling guessed correctly, this matter today is the most common.

The main drug error should also be penicillin.

Before the 1940s, humans had not been able to master a drug that could effectively treat bacterial infections with few side effects. At that time, if someone contracted tuberculosis, it meant that the person would die soon. In order to change this situation,

Researchers have been exploring for a long time, but the breakthrough progress made in this area came from an accidental discovery. Alexander Fleming discovered penicillin due to a lucky mistake.

When Fleming went on vacation in the summer of 1919, he forgot about the bacteria growing in the petri dish in the laboratory. When he returned to the laboratory three weeks later, he noticed a gold that had accidentally come into contact with the air.

A group of green-green mold grew in a Petri dish of Staphylococcus aureus. When observing the Petri dish with a microscope, Fleming found that the Staphylococcus colonies around the mold had been dissolved. This means that some kind of secretion of the mold can inhibit

staphylococcus.

Subsequent identification showed that the above-mentioned mold was Penicillium punctata, so Fleming named the bacteriostatic substance it secreted penicillin. Unfortunately, Fleming could not find a method to extract high-purity penicillin, so he named Penicillium punctata.

The mold strains were cultured from generation to generation, and in 1939 the strains were provided to Australian pathologist Erflorey and biochemist Qian who were preparing to systematically study penicillin.

After a period of intense experiments, Flory and Qian finally extracted penicillin crystals using the freeze-drying method. Afterwards, Flory discovered a mold on a melon that could extract large amounts of penicillin, and prepared the corresponding solution using corn flour.

Flory and Chain redid the experiment using penicillin in 1940. They injected 8 mice with a lethal dose of Streptococcus and then treated 4 of them with penicillin.

Within a few hours, only the four mice that had been treated with penicillin were still alive and well. "It's really like a miracle!" Flory said. Since then, a series of clinical experiments have confirmed that penicillin is effective against Streptococcus, diphtheria and other bacteria.

Therapeutic effect on bacterial infections. The reason why penicillin can kill bacteria without damaging human cells is that the penicillane contained in penicillin can hinder the synthesis of bacterial cell walls.

, causing the bacteria to dissolve and die, while human and animal cells do not have cell walls. However, penicillin can cause allergic reactions in some people, so skin tests must be done before use. Driven by these research results, American pharmaceutical companies began in 1942

Mass production of penicillin. By 1943, pharmaceutical companies had discovered a way to mass produce penicillin. (To be continued.)