The tallest building in Lianhai City, the Pearl Building.

Nan Hanfei parked the car in the underground garage and took Gu Yanan to the top floor of the Pearl Building by elevator.

The roof terrace is paved with lawn, planted with a few small trees, a few moon trees, and a few wooden tables and chairs fixed to the concrete floor of the roof.

The breeze was blowing, and the late autumn noon sun was warm on my body.

Nan Hanfei found a familiar position, put down the thermos box in his hand on the wooden table, and looked at Gu Yanan, who had been following him, "Do you still like this place?" ”

Standing at such a high place, you can see the entire urban area of Lianhai City, the sea to the east, and the crescent lake scenic spot in the suburbs can be seen a little farther to the south.

Gu Yanan was very happy, "How did you find such a good place?" Like the Sky Garden, there's no better place to see than here. ”

"Do you like it?"

"I like it."

"I have seen Crescent Lake from here, and now it is the season for migratory birds, what do you think of when you see those migratory birds?"

"Migratory birds, the source of avian influenza."

"Migratory birds, as a link in the biological chain, are indispensable, and prevention and monitoring are the main thing to control human infection with avian influenza."

Gu Yanan thought for a moment, "Understand that all diseases should start with prevention and surveillance. ”

Gu Yanan suddenly felt that Nan Hanfei was very strange, as a police officer, his views on bird flu just now had reached the level of an epidemiological expert.

"How do you know so much?"

"I have a girlfriend who is an infectious disease expert, and of course I have to read more." Nan Hanfei smiled slightly awkwardly.

"You asked me to come because of this bird flu outbreak?"

"No, there's your favorite pickled cabbage fish here."

Gu Yanan approached the insulated lunch box opened by Nan Hanfei, and a familiar scent of sauerkraut fish wafted out.

"You did it?"

"It's not."

"It's delicious, familiar...... Which restaurant is it from? ”

"My future mother-in-law cooked it herself."

"My mother?!"

Gu Yanan was shocked.

No wonder the taste is so familiar, it was made by my mother, but why did my mother send food to Nan Hanfei, but not to her own daughter, who works overtime all day?

Seeing Gu Yanan's question, Nan Hanfei explained with a smile, "When Aunt Gu gave me food, she specially instructed it to be shared for two people, and her meaning was obvious, she asked me to ask you to come along." ”

Mom's tricks to urge marriage are really endless.

Gu Yanan was a little embarrassed, "I'm sorry to let you pretend to be my boyfriend, which caused you so much trouble." ”

"No trouble, I'm willing."

Nan Hanfei distributed dishes and chopsticks to the two, looking like he was ready to eat.

After a busy morning, Gu Yanan was already hungry, and he hadn't eaten the sauerkraut fish made by his mother for many days, but now he feels extra fragrant when he eats it.

After a while, most of the sauerkraut fish went down, and Nan Hanfei watched Gu Yanan eat with the corners of his mouth slightly curled most of the time.

Gu Yanan occasionally glanced up at Nan Hanfei, and every time she found Nan Hanfei's eyes looking at her.

"Why do you always look at me, isn't the sauerkraut fish delicious?"

"The fish is delicious, and the people are good-looking."

Gu Yanan was choked by rice grains and coughed, but she didn't expect Nan Hanfei to suddenly say such sultry things.

Nan Hanfei handed over a glass of water, and Gu Yanan finally stopped coughing after drinking the water.

"Did what I just say make you so excited?"

"Where am I excited? That's surprise. My mom isn't here, so she doesn't have to act. ”

"I'm not acting, the fish is really delicious, and the people are really good-looking."

"Ahem...... You still say! ”

"The people are good-looking, the surrounding scenery is good, and the scenery is delicious...... However, the Dr. Did Wilson really save you? ”

Nan Hanfei suddenly changed the subject.

Gu Yanan was stunned, "You heard it at the door of the office just now?" ”

"Hear me, Dr. Wilson is a 'virus catcher,' and you seem to have a lot of admiration for the profession. ”

Speaking of his profession, Gu Yanan got rid of the embarrassment just now, "Well, the 'virus catcher' is an epidemiologist, which is what I wanted to be. ”

"You are now."

"It's a little bit closer, Dr. Wilson is a role model for me. ”

"Role model?!" Nan Hanfei's eyes flashed with surprise, "I didn't expect you to have such a high opinion of him, have you not been disappointed with his disappearance?" ”

"Why be disappointed."

"Because he gave up his career as a 'virus catcher.'"

"How do you know he's given up on his 'virus catcher' career? He just hasn't heard from him for years, maybe he's talking to some powerful virus in a tropical rainforest right now, and no news doesn't mean he has given up. ”

Nan Hanfei's smile carried a trace of inexplicable melancholy, as well as a hint of loss, "Maybe." ”

"Why did you suddenly say anything to Dr. Wilson interested? ”

"There are always infinite possibilities in life, just like the evolution of life, I don't know which creature will dominate this planet next, although it seems that we humans are at the top of the food chain now, but we are also the food of microorganisms, and we are also a link in their food chain, although sometimes I don't want to admit it, but it is true."

Gu Yanan sounded very familiar with Nan Hanfei's answer, which was not an answer, but he couldn't understand it for a while.

Despite this, Gu Yanan keenly felt that Nan Hanfei's mood suddenly became depressed.

"What's wrong with you? Did something happen? Is there something wrong with the case of the cattle thief? Gu Yanan's tone was worried.

"I'm fine." Nan Hanfei changed his smile for a moment, "I'll tell you about the case of the cattle thief." ”

"Aren't your police handling cases secret?"

"The case of the cattle thief has been closed, the external injuries on Jia Da Niu and Jia Erniu are not fatal, the cause of Jia Da Niu's death is avian influenza virus infection, Jia Erniu has reached a settlement with Li Erzhu's family, and the party is an avian flu patient, which is also related to your disease control, tell you, it is not a leak."

A rooftop garden lunch ended with Nan Hanfei's recounting of the cattle thief case.

——

Two weeks later, there were no new cases of avian influenza in Lianhai City, and the close contacts who had been quarantined had also passed the quarantine period one after another.

Gu Yanan writes a summary report on the human infection with H7N9 avian influenza at his desk.

Wintering migratory birds fly from Z Province to the Crescent Lake Scenic Area on the outskirts of Lianhai City.

Migratory birds that spend the winter carry the H7N9 avian influenza virus.

Migratory birds with the virus forage around the Crescent Lake Scenic Area, and one of them broke into Li Erzhu's chicken coop and transmitted the avian influenza virus to the chickens.

The chickens raised by Li Erzhu's family have been infected by the virus one after another.

Li Erzhu cleaned the chicken coop every day and was infected with the avian influenza virus.

Daughter-in-law Zhao Jinzhi slaughtered sick chickens and was also infected with the avian flu virus.

Li Erzhu's neighbor Li Guoqing privately caught migratory birds for the winter in the Crescent Lake Scenic Area and brought them home to be slaughtered and eaten, and was infected in the process.

Jia Daniu and Jia Erniu went to Li Erzhu's house at night to steal cattle, but they were caught instead of stealing cattle.

After the two were beaten, they were imprisoned in a straw shed next to Li Erzhu's chicken coop.

Jia Daniu's wound was infected by the avian influenza virus in chicken manure, and at the same time, he was injured himself, his immunity was weakened, and he quickly developed symptoms of avian influenza.

Jia Daniu died of acute respiratory failure due to avian influenza virus infection.

Jia Erniu was also infected, but because of his minor injuries, he was sent to the hospital in time after escaping, and after treatment, he recovered.

Li Erzhu, Zhao Jinzhi, and Li Guoqing were also discharged from the hospital because they were found to be treated in time.

In the subsequent epidemiological investigation, H7N9 positive specimens were found in major live poultry markets in the urban area, indicating that live poultry markets were also one of the places where avian influenza was transmitted.

Live poultry trading is temporarily closed, and contact with migratory birds in scenic spots is prohibited to prevent avian influenza...... A series of measures, the avian influenza epidemic has been temporarily controlled.

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