The evolution of zombies makes the survival of human beings face greater challenges, and the emergence of Su Yin will make human beings into more trouble.

If one day, zombies become like human beings, how can humans fight against zombies?

It is urgent to study antiviral vaccines.

Su Li sighed, not knowing how to say what she knew. At least, she had to enter the Research Institute of Jiang Zhen in Haicheng.

After discussing with Luo Chen, Su Li told Jiang Zhen that she could cure the infected person in a short time. Jiang Zhen let her enter the research institute without any hesitation.

The same person who entered the Institute with Su Li is Qian Mu, so Luo Chen is more at ease. Although Qian Mu is an ordinary person without powers, in addition to being a researcher, he is also a technical residence with many strange weapons on his body.

[host, the task progress has been 55%. Although it is a little slower than the previous world, the difficulty coefficient of this world is relatively high, and the rewards will be more abundant. ]2333 flies to Su Li in a white coat.

Su Li glanced at it faintly and said, "can it be rich enough to earn back my lost points? ]

[this I'm afraid not. ]2333 down its frog head, before Su Li was talked about, and then exchange OOC shield, points brush the ground less than half, can make people heartache.

Su Li sighed. Although she knew that the shield was very useful, she was still a little distressed and could only stop thinking about it.

[recently, the research has reached a bottleneck. I decided to deal with male owners first. ]

Su Li lives in the research room these days, so busy that she doesn't have time to meet Luo Chen every day, so she doesn't let him discover her wound, otherwise he will be crazy.

In order to find out what the antiviral plants in her body are, Su Li sent people to the previous forest to look for various plant samples, while secretly bleeding to study the ingredients.

Most of the researchers in the research institute are highly respected people. After being begged by her, they can only suppress this secret and let her bloodletting instead of making small reports.

But so far, nothing valuable has been developed.

"Miss Tong, here comes Mr. Luo." A bodyguard came in.

The research institute is a secret place. Even Luo Chen can't go in and out at will. Every time he comes to Su Li, he can only pass on information.

"Well, I see." Su Li nodded to the guard, then quickly wrapped up the wound on her arm and put her sleeve down to cover it.

This speed is very skilled at a glance.

"Luo Chen!" Su Li fell down with a smile and rubbed in Luo Chen's arms.

Luo Chen picked up her, heft, frown, "all thin."

"You say that every time." Sully put his neck around him and gave him a kiss on the mouth.

"I miss you." Luo Chen put her down, and then touched her short hair in order to do research. "Don't worry. There are so many people in the Research Institute. You don't have to stay here every day."

"Only yesterday." Suli bent her eyes.

"It's not enough to see you every day, and I promised not to leave me." Luo Chen took her hand and went to Su Li's residence in the Research Institute.

"I want to work out an antiviral vaccine as soon as possible." Su Li held his arm. "I want to live in a safe and vibrant world with you in the future, instead of living like this now, even it is difficult to survive."

Luo Chen partial head chuckles, "we work together, one day, this piece of land will return to the original appearance."

Originally, he never thought about it, but now he feels that Su Li is right. Such a world is too dangerous.

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