"Go! You guys go upstairs quickly. There are people upstairs to rescue you." Lin Fan shouted to Chen Lu and the two patients behind him as he led the way.

At the same time, Lin Fan turned back, took a slightly larger wooden stick from the broken wooden boards, grasped it in his hand, picked up the concentrated acid on the ground, and without putting on the helmet, he immediately turned around and ran downstairs.

"Hey, big brother, aren't you coming up?" Chen Lu asked from behind.

"No, you guys go up quickly. It's very dangerous here. I still have to go and save others." Lin Fan threw out these words and rushed downstairs with a thud.

As soon as Lin Fan went downstairs, the sound of "bang, bang" gunshots came from the corridor on the third floor. Needless to say, it was the police officers who had just gone downstairs shooting the zombies in the corridor.

The gunshots were very loud. In this enclosed hospital, the sound reverberated back and forth, and there was a buzzing sound in the ears.

"Ah, there's a huge monster here!" A police officer shouted.

Hearing this, Lin Fan immediately thought of the giant zombie in the fifth room of the basement. That zombie had been attacked by concentrated acid before. Unexpectedly, it had run up to the third floor.

"Bang, bang, bang!"

When Lin Fan reached the corridor on the third floor, he saw three police officers lined up, pulling the triggers of their Rifles and aiming at the forehead of the giant zombie. Each of them fired three consecutive shots!

The forehead of the giant zombie immediately burst open! Zombie blood splattered everywhere, and it was a gory mess.

Lin Fan secretly breathed a sigh of relief and thought to himself, "If the police officers hadn't taken action, I really wouldn't have known what to do."

"How are you? Are you okay?" The three police officers put down their guns and quickly ran forward. It turned out that one of the police officers who had gone ahead to explore the way had been attacked by the giant zombie, and his right palm had been bitten off brutally. The scene was horrible!

Lin Fan shouted from behind, "Please make way. I'm a doctor. I'll give him emergency treatment!" Immediately, he remembered the words that Professor Wang had repeatedly reminded him of: "The virus spreads through blood!" The police officer in front of him had already been infected.

The three police officers heard there was someone behind them and all turned their heads to look over. Recognizing Lin Fan, they immediately made way.

Lin Fan looked around and asked, "Who among you has a knife?"

"I do." A police officer on the left quickly took off the bayonet on the gun barrel and handed it to Lin Fan. "Do we also need to find alcohol to disinfect it?"

"No need." Lin Fan stuffed his wooden stick into the police officer's mouth and said in a commanding tone, "Bite it hard!"

The police officer nodded and did as he was told. Lin Fan swung the knife in his right hand, and with a "click" sound, he cut off the entire right arm of the injured police officer. Blood immediately spurted out like a pillar.

"Ah!" The police officer let out a shrill scream of pain. Fortunately, there was a wooden stick in his mouth, so the sound wasn't too loud. The police officer couldn't hold on for long and his head tilted to one side, and he fainted.

"What are you doing!" A police officer in front exclaimed in horror. "Why did you cut off his arm?"

Lin Fan didn't pay any attention to him at all. Then he quickly tore off some cloth strips and bandaged the police officer's arm so that he wouldn't die from excessive bleeding.

"I don't have time to explain this now. There are still injured people ahead. You are police officers and you have weapons. Clear the way for me in front. Let's try to rescue more injured people in the shortest time. Hurry up." Lin Fan suddenly stood up and was the first to rush forward.

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"Damn it! Who is this guy? He's actually ordering us around?"

"Let's go, brother. What he said is right."

The three police officers quickly packed up their gear and followed behind Lin Fan, running forward together.

At the corner of the corridor, a bloody scene appeared in front of Lin Fan. Three zombies were kneeling on the ground. In their hands and mouths were human tissues. On the ground lay a mutilated corpse with internal organs scattered all over the place!

"Damn it! These bastards! I'll shoot them one by one and kill these guys." A police officer immediately raised his gun and aimed it at the head of one of the zombies, ready to shoot. But from behind, a shrill scream came: "Ah!"

Everyone turned around together and was shocked by the scene in front of them: The police officer with the severed arm had woken up at some point and was now picking up his own severed arm and eating it voraciously! And the one who let out the scream was a man. Presumably, this man had been hiding in a certain room all along. It was only after hearing the gunshots in the building that he was sure the rescue team had arrived. He slowly crawled out of the room, only to encounter this terrifying scene.

"Ah, Brother Cheng, Brother Cheng, what is he doing?" The police officer in the middle position stared in horror, his eyes wide open. How could he accept that his good brother was eating his own arm?

Lin Fan was also stunned by this scene and thought to himself, "We've only been away for less than two minutes, and he woke up on his own and is eating his own arm. Obviously, although I cut off his arm just now, the virus has already spread to his body quickly. He's completely lost his sanity and turned into a walking corpse, a zombie! What's strange is that how could the virus in his body spread so fast? When Professor Wang was injured on the neck, it didn't happen for several hours, right?"

"What are you standing there for! Kill him." Lin Fan put down the things in his hands, took a step forward, rushed over, turned his right hand, and directly snatched the pistol from the waist of the police officer on the left. Lin Fan wasn't very proficient in firearms. After all, he had only seen them on TV before, and in the real world, he had only touched them once or twice during military training and had long forgotten about them.

"What are you doing!" The police officer on the left raised his right hand and grabbed Lin Fan's arm. "You're a doctor. Tell me quickly, how can we save him?"

"Bang!"

Lin Fan accidentally fired the gun, and the bullet hit the ground.

"There's no way to save him." Lin Fan gritted his teeth, and immediately remembered the scene before Professor Wang's death in his mind: "If ordinary people infected with the zombie virus could be cured, then Professor Wang wouldn't have chosen to commit suicide back then. Moreover, this police officer turned into a zombie in less than two minutes. How strong the toxicity is! One can imagine."

"Smack!" The police officer on the right also swung his arm and punched Lin Fan on the cheek. Lin Fan's right hand loosened, and the pistol immediately dropped to the ground. His body was also knocked to the ground.

"You want to kill a police officer? Who gave you permission to do that?"

The three police officers in front of them all had an unspoken understanding. In their hearts, they reached a consensus: Forcefully tie up this police officer named Brother Cheng. It's okay to kill the dead who turn into zombies, but it's absolutely unacceptable to kill the living who are infected with the virus and turn into zombies. That was what they thought in their hearts.

"What do you guys want to do?" Lin Fan got up, turned over, and asked.

"Tie him up. He can definitely be cured." One of the police officers replied.

"Then you three be careful."

"Roar." At this time, the three zombies that were eating the corpse behind them all stood up. With so many living people in front of them, they naturally became their targets. They swayed, lifted their big bellies, and walked towards Lin Fan.

Seeing that these three police officers were reluctant to kill the police officer who had turned into a zombie because of their comradeship, and Lin Fan couldn't persuade them on his own for the time being, he could only comfort himself by thinking: The virus in this police officer's body is worth studying carefully. Tying him up for the time being is also a good choice.

Lin Fan turned around and happened to be face to face with the three zombies.

"Hey, someone give me a gun." Lin Fan shouted to the police officers behind him.

The police officer on the right shrugged. There was nothing he could do. Although this young man's actions were a bit rough just now, the situation was critical, so it could be forgiven. Without thinking too much, he threw his waist pistol, a Type 92 pistol, over from the ground.

Lin Fan immediately picked up the pistol, aimed at the leading zombie, pulled the slide, aimed at the zombie's forehead, and fired a shot with a "bang!" The leading zombie was immediately dealt with.

After firing the first shot, Lin Fan suddenly had great confidence in his shooting skills: Damn it! Although I haven't touched this thing for many years, the foundation is still there! During the military training at school back then, although it was an old-fashioned rifle, I was also the shooting champion in the class in the test before the end of the military training. Even if I couldn't hit the center of the eyebrow every time, I could still achieve a good score of eight rings. Among the three bullets at that time, two were eight rings and one was nine rings!

The instructor back then also praised Lin Fan: "It's a waste that this kid didn't go to the police academy. He could have such awesome shooting skills when firing for the first time."