We originally thought that the dungeon would be cleared out quickly after killing the mutated ants, but the dungeon was just too big. The brothers worked for half a month and still couldn't finish the cleanup.
When Secretary Li learned that Qin Su had returned, he immediately came over excitedly with bags full of gifts.
"Miss Qin, you're finally back."
Seeing that Qin Su was unharmed, he was so moved that he wanted to burst into tears.
God knows how much pressure he's been under lately. He thought Miss Qin was gone and would never come back, and he would have to run the city government alone.
"These are all foods that everyone made themselves. Recently, the temperature has dropped, and crop yields have increased significantly, which has improved everyone's lives. We are very grateful to Miss Qin."
The food box contained various pastries and delicacies, clearly made by a variety of families.
Qin Su tasted each one: "They're delicious. Please thank everyone for me. I'll come visit you all again in a few days."
"Uh-huh."
Secretary Li nodded happily: "Ms. Qin, are you feeling better?"
He was the first to notice that Qin Su's complexion was rosier than before.
Qin Su was overjoyed: "It's all better now, completely healed."
Secretary Li is actually quite clever.
At this moment, Secretary Li's status in Qin Su's mind rose to a new level.
"It's good that you're alright, it's good that you're alright."
Secretary Li was so happy that his mouth stretched from ear to ear. Only if Miss Qin is well can Wancheng be well, and only then can everyone survive.
"By the way, when I came over, I saw the brothers digging for something. How about I organize some people to come and dig together?"
Qin Su nodded. The main reason she hadn't let them come before was because she thought the underground city was dangerous and she was afraid they wouldn't be able to handle it. Now that the situation in the underground city is basically stable, letting them dig together can shorten the construction period.
In any case, all the survivors from Wancheng must move into the underground city.
"Okay, I'll go arrange it right away."
Secretary Li came and went in a hurry, and soon brought a large group of people with him.
The entire city of Wancheng was filled with excitement upon hearing that Qin Su had returned.
Even though they didn't see anyone, everyone felt at ease.
Liu Xuan looked at everyone working together with a sense of disbelief. How long had it been since he had seen such a scene?
In the aftermath of the apocalypse, corpses littered the land, and people fought to the death for food. Yet in Wancheng, everything seemed so peaceful. In everyone's eyes, there was no fear, no sorrow, only hope for the future.
And all of this was done by their seemingly weak little niece.
"Susu, you are really great. Your fifth uncle is so proud of you."
He couldn't help but praise him, thinking that if the apocalypse came to an end, the only survivors would be those from Wancheng.
"Hehe, it's all thanks to my grandma giving me so much money that I was able to stockpile so many supplies."
Qin Su smiled.
If someone else had received the money, Wancheng would never be in its current situation.
Liu Xuan felt that his little niece would definitely achieve great things in the future.
Even in the apocalypse, he had a strong intuition that his little niece would grow up to be a very capable person.
"Hey, it seems much cooler today."
Li Tang, holding a shovel, dug around and felt that his clothes were dry. He said to the people around him.
"Yeah, I feel much cooler too. Is the weather about to change again?"
Having experienced the sudden change from extreme cold to extreme heat, the brothers became more vigilant about environmental changes.
Qin Su took out a thermometer to measure the temperature, and it had indeed dropped by about ten degrees.
The temperature in Wancheng is currently 20 degrees Celsius, which is the most comfortable temperature. However, Qin Su recalled that in her previous life, when the temperature dropped to around 20 degrees Celsius, Wancheng experienced an infectious disease outbreak.
In my previous life, the origin of that infectious disease was the corpses of humans who died from insect bites.
"Li Tang, take some of the brothers out on patrol, pay special attention to insects and corpses, and report back immediately if you find anything."
Qin Su's tone was serious, and the brothers immediately knew the seriousness of the matter and quickly carried it out.
When the brothers returned that night, they found neither insects nor corpses.
Qin Su made a lot of medicines. When he came out of the laboratory and heard that his brothers had not found anything, he breathed a sigh of relief.
The survivors of Wancheng in this life live relatively harmoniously, though perhaps it's different from the previous one.
But that very evening, Secretary Li came over in a panic.
"Miss Qin, something terrible has happened! Several people in the city are unconscious."
"The doctors diagnosed them, but couldn't find the cause!"
Qin Su sensed something was wrong and quickly followed Secretary Li out the door. On the way, Secretary Li recounted what had happened.
During the day, those people were planting in the fields, and nothing happened at the time. But when they came back, they lost their appetite, fell asleep, and were found unconscious.
Qin Su frowned. In her previous life, the source of the infectious disease they had identified was a type of beetle.
If those people were bitten by these beetles, they would have experienced severe pain immediately, rather than only discovering it after returning home. It seems things are indeed different from the previous life.
The unconscious person was taken to the previous isolation room.
Upon seeing Qin Su approach, the doctors, who had been frowning with worry, immediately brightened up.
"Ms. Qin, these are our test results."
Qin Su took the test report, glanced at it, and frowned deeply.
The data from this examination is similar to the toxins found in beetles in my previous life.
However, there were no signs of insect bites on these people's bodies.
Qin Su took out the reagents and started giving them IV fluids.
As the IV drip was slowly administered, these people's bodies reacted differently.
"His right hand is moving."
"This is my foot."
"Me too..."
Qin Su lifted the patient's right hand and saw a tiny worm slowly crawling out of his pores.
This is……
"Quick, get the tweezers and remove the worms from their bodies. Be careful not to break them."
Seeing this, the doctors understood what was going on and immediately followed Qin Su's example to remove the insect.
After the insect was removed, the unconscious people slowly opened their eyes.
"When you were in the fields, did you notice anything different from usual?"
As they reminisced, something suddenly came to mind.
"Oh right, we were a bit thirsty, so we went to the well to get some water. When we drank it, we noticed that the taste was a little different from usual..."
So the origin of this infectious disease actually started with water sources?
"Immediately notify everyone to stop using water."
Qin Su gave the order and then rushed to the well in the field.
Sure enough, many small insects were found in the well water.
These tiny insects hatch from insect eggs; it turns out that mutations actually begin in the eggs!
“Miss, we have checked all the wells in Wancheng, and so far, only this well has insect eggs.”
Qin Su nodded. The fact that nothing was detected did not mean there were no insect eggs.
It is difficult to detect results before the insects hatch.
But survival requires water, and we can't keep preventing people from fetching water forever; we must find a way to eliminate these insects.
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