Although Li Lechen did not personally experience the situation when this virus was rampant, it is very famous in history because of its high transmissibility, extremely high mortality rate, and multiple mutations, which caused more than 50 million deaths worldwide.

More than 50 million people is an astronomical number even with today's population of 7 billion.

Why is the HI25 virus outbreak happening now? Why Zhang Yifei? Why was he on this plane?

Could it be...?

Li Lechen suddenly dared not think about it.

But then I thought about it again and realized that didn't make sense. The HI25 virus has a history of causing 50 million deaths; it's just happening earlier now.

As for why it happened earlier than expected, there are too many reasons. The fact that I am here is just the result of countless questions.

"Cough cough cough cough!"

Zhang Yifei continued coughing violently, and this time, even he himself felt that something was wrong.

"Sir, what do you need?" the flight attendant asked Zhang Yifei as she approached him.

Before Zhang Yifei could say anything, the fashionable woman beside him couldn't take it anymore and stood up and walked out.

She'd rather go to the restroom than sit next to this man who kept coughing.

"I...give me a glass...cough cough...water..."

He didn't feel anything when he wasn't talking, but as soon as he started talking, Zhang Yifei felt a tightness in his chest and felt uncomfortable all over.

The flight attendant quickly poured Zhang Yifei a glass of water.

During this time, he coughed a few more times.

When the flight attendant handed the water to Zhang Yifei, although she didn't touch his hand, she had a strange feeling that the passenger was emitting a chilling aura.

Although the outside temperature is quite low, the temperature inside the plane is alright, it shouldn't be this cold, right?

So I couldn't help but ask, "Would you like a blanket?"

At this moment, Zhang Yifei felt stuffy and had difficulty breathing. He didn't need a blanket or anything; he even suspected he had a fever and should probably take off his clothes.

So he shook his head.

The flight attendant looked at the passenger again with some suspicion, but eventually left.

When the fashionable young woman pushed the stroller to the restroom entrance, she complained to the flight attendant, "The man next to me keeps coughing, it's unbearable."

What could the flight attendant say? She could only give an awkward smile. She had initially planned to skip it, but now she thought it best to report the situation to the chief flight attendant.

Five minutes later, the flight attendant came to Zhang Yifei's side.

At this moment, Li Lechen's expression was unusually serious. He watched the fashionable young woman complain as she walked to the restroom, watched the flight attendant pour water for Zhang Yifei, and then watched the chief flight attendant walk over.

Although he couldn't see the bacteria with his superhuman eyes, the highly contagious nature of the HI25 virus made Li Lechen certain that these people would definitely be a high-risk group.

Oh no, theoretically, everyone on this plane is a high-risk group.

If I hadn't let Zhang Yifei experience the time tunnel and see the future, he would have followed my initial ideas and actions, and would ultimately have been arrested as a "dangerous element."

If he is arrested, the HI25 virus will not be completely eradicated, but at least the people on the plane will not be infected as a result.

Or perhaps Zhang Yifei's infection is related to his experience of a time tunnel, which altered established facts?

Even though he came from the future, Li Lechen couldn't understand it, after all, he had also been lost in a time tunnel for seven hundred years. This kind of thing is really beyond human control.

Will the HI25 virus, which emerged as early as 2018, also cause 50 million deaths? Or will the death toll be even higher seven years later due to the limitations of medical treatment?

A careful search of historical records suggests that there was no instance of the first case being discovered on an airplane. Could this lead to a wider spread of the disease?

Why!

My brain can't keep up.

"Wow--"

Suddenly, a sound of vomiting was heard.

"Sir, what's wrong?"

The flight attendant had just walked up to Zhang Yifei, intending to ask him if he was feeling unwell, when she saw him suddenly vomit.

Vomiting on a plane is not uncommon, but it's certainly a troublesome situation.

The passenger in the seat in front of me was already jumping up and down, and the fashionable woman next to me had long since run to the restroom. The woman next to me was now in a dilemma, unsure whether to stay or leave. She was completely at a loss.

Damn, is it because of motion sickness that I threw up?

Why didn't you say so sooner? It would have been better to spit it into the bag than to spit it directly onto the chair.

Immediately, most of the passengers in the cabin became agitated, as the smell of vomit quickly filled the small space, making everyone feel uncomfortable.

Almost all the flight attendants were mobilized.

They had a complete plan to deal with this situation, so some people took lime, some took rags, some took buckets, and there were also people specifically to calm down the surrounding passengers. They were busy for a while, but not too chaotic.

Zhang Yifei's mind was heavy at the moment. After vomiting, he didn't feel any better. Instead, he felt anxious all over.

He started taking off his coat.

"Sir, how are you feeling now?" the flight attendant asked again.

Zhang Yifei didn't want to talk. He was feeling very anxious, increasingly anxious, and his whole body was about to boil over.

After taking off his coat, he started taking off his shirt.

At this moment, almost everyone on the plane turned to look at the man who had just vomited and was frantically taking off his clothes.

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