This was Qi Jing's second time to go to Morton's pig farm. After just two days apart, his reasons changed fundamentally.

Before, he simply associated pigs from swine flu, and then searched for the source of love, and found three nearby pig farms. Among them, Mortonken accepted their visit, so Qi Jing spent some money and picked this place casually.

Unexpectedly, he had good luck. From Morton to Lehn Hospital, to Daisy and her son, Qi Jing grabbed the tail of h1n1.

But if you want to trace the source, it is difficult to find the initial infected person in Lehn's closed loop.

This is not because the local CDC is deliberately making things difficult for him, nor is it because the hospital records are unknown, nor is it because Sifer refuses to help. In the 14 hours when Qi Jing fell asleep and took a rest, Sifer had already delivered detailed records of the first few cases to Qi Jing's mobile phone by email.

Epidemic investigation is a chore that runs all over the street. The United States' public health capabilities cannot be worse than those in China. It is just that after the lack of staff, not many people are willing to continue to investigate. 7

But this is a job that is of interest to Qi Jing. He can also gain the trust of Sif and he can also have more cards in his hand, which can be considered a three-killing victory.

Compared to the pig farm, Qi Jing cared more about Lehn’s obstetrics clinic. In the morning, he told obstetrician Beckett that he couldn’t afford to get sick in California, Lehn CDC blocked the clinic, and California also began to look for the young lady who had been with Beckett overnight.

He has been to CDC and it is a very ordinary clinic.

After the specialists were in place, they needed to do indoor disinfection, nucleic acid tests for clinic staff, and some things to ask nurses and nurses. Qi Jing asked for a list of pregnant women who came here for obstetric examinations. In addition to Daisy, he also found Ella's name.

Although the distance is 40 kilometers, from the geographical point of view, Morton's wife should indeed have a prenatal checkup here.

Qi Jing didn't care so much about this middle-aged Texas woman. Morton had flu and Ella hadn't been here for more than a month. The most recent time was a Tang Sieve for 13 weeks of pregnancy, and further ahead was the first prenatal check-up at 8 weeks of pregnancy. (1)

According to Beckett's plan, the next prenatal check-up time will be made on the third day after he returned to Lehn, November 28. At that time, Ella should have been 5 days of her 19th week of pregnancy and caught the last bus of the regular prenatal check-up date.

But now Beckett cannot leave California, and the prenatal examination will be postponed in the future.

The one-month vacuum period and Morton's sudden flu seemed to have taken Ella out of the suspected case. No matter how she looks, her rising body temperature should be the flu. But a strange record on the registration book, as well as a short vacation of a nurse in the clinic more than three months ago, made Qi Jing point the suspect at Ella again.

On August 6, 2008, a 38-year-old middle-aged man suddenly had a high fever and went to Lehn Hospital for treatment.

If you start with the symptoms and turn the date forward, the h1n1 infection in this case can actually be traced back to August 3. If the incubation period is included, the possible infection time is likely to be at the end of July.

But the patient is a half-otaku and not many people are in contact with.

The patient was seriously ill and died after infection, and it was impossible to tell his oral contact history, and the surviving old father was not sure who he had contacted at the end of July. From Lehn's camera, the credit card records used and the payment voucher at home, he roughly outlined his movement trajectory.

But this trajectory is too simple, and there are only four suspected contacts after searching for them.

Most of them have lived in the same space as the first case, and have no particular close contact and have no practical value.

Later, I wanted to start with his three girlfriends, but the result was also aborted. My girlfriend Abc was positive, A was onset late, and B did not start at all. When I was under the accounting test, A was the first batch of people to be tested, but the symptoms had subsided at that time. Judging from the onset time, it should have been infected by the first case.

What Qi Jing cares about is her girlfriend b. She is an asymptomatic infected person and the test time is August 28. The time for h1n1 to turn negative is different for each person. It can turn negative in 1-2 days in a short time, and the longest may last for nearly one month.

No matter what, girlfriend b cannot be the transmitter of the first infection case. (2)

The cdc was stuck here.

Qi Jing was lucky to see the problem. At first, he looked at the roommate test records of his girlfriend B, and then accidentally looked at the worksheets of the clinic a few months ago, and then he found a similar name: Susan.

Susan usually does five days off for two days, and three days of the four days from July 27 to 31 are working days, but she rests all of them.

Qi Jing originally wanted to go to her to verify the situation, but the nurse was fired by Beckett after taking leave. The dispute lasted for two months and moved out of the town in the middle of last month. No one knew where he went, including that girlfriend b.

Following this time, Qi Jing compared pregnant women in the prenatal examination clinic. In the past seven days, a total of three pregnant women came to have the examination. All three had h1n1, and they were positive for nucleic acid, and they were all mild. Moreover, because the pregnancy week was too high, it had little impact on the child. After taking oseltamivir, they all successfully gave birth to the baby.

Seeing that the clue was broken again, Qi Jing saw a familiar name from the line that was being modified, Ella...

Strictly speaking, Ella is not a pregnant woman who was taking prenatal examination. It was July 25, and she was only four weeks pregnant. She did not need a prenatal examination. Judging from the information on the registration form, Ella drove 40 kilometers to the clinic. Although the name was finally cut off, there must be her reason for coming to the clinic that day.

Qi Jing suspected that this reason should be related to h1n1, which is also the main reason why he was going to the pig farm.

In addition, he has a second reason.

Around Lehn, Morton is the only pig farm that has received research funding from the University of North Carolina. This funding comes from various research projects at the university, including agriculture, microbial research, animal husbandry, etc.

Although Morton Pig Farm is far from North Carolina State University, it takes half a day to make a round trip on the highway. But if you only choose a pig farm that accepts North Carolina scientific research projects, Morton's location is the closest one.

Just when we arrived there the day before yesterday, three researchers were staying at the reception of the pig farm. If the virus really leaked out of the laboratory, then these three researchers are the best clues.

With the two superimposed, Qi Jing naturally had to go back to the Morton Pig Farm to see what was going on.

......

The pig farm was not affected by Lehn's counterattack. Morton and Ella's condition was alleviated, and their body temperature dropped sharply. The body sensation of 38.3 and 38.1 degrees is definitely much better than above 39 degrees.

Compared to his wife who needs rest, Morton is really unable to rest.

The new farm needs to be renovated and renovated, and new employees also need to undergo professional training. It is definitely not possible to rely solely on their son, Xiao Morton and two researchers.

When I saw Qi Jing again, Morton's temper improved a lot.

He is still Morton with serious racial discrimination, but Qi Jing is not among them.

Asians who are treated the same as Qi Jing also include Indian Kaj, who is doing basic teaching classes. Although her skin color is not good, the new science and technology brought with her has increased Morton's production a lot.

At this time, Kaj was gathering the staff of the pig farm together to teach the elimination time of breeding pigs.

"When should we eliminate a replacement boar?"

Kaj lighted the blackboard with a laser pen and spoke of his opening remarks: "This is a question that both pig farms and professional boar stations want to ask in production practice. Generally speaking, boar station employees prefer older boars because they produce more primordial y and make boar stations more efficient. Sow farms prefer boars with the highest genetic potential for best production performance and highest profits.

Due to genetic improvement, young boars generally have the greatest genetic potential. The contradiction between older boars and young boars needs to be resolved by those who make the elimination decisions.

Who is the decision-maker?

You are the decision makers of the pig farm!

You need a tool that can balance the genetic value of young boars with the high-precision yield value of young boars, and scientifically determine the best time for boars to eliminate, thereby maximizing economic benefits..."

He is a very emotional speaker.

When conveying one's own ideas, one often raises a question and then packages the questions so that everyone's ideas can follow him. As the speech goes on, he will not rush to tell others the answer, but will talk about the way to get the answer.

It was not until the end that he would explain the various conditions clearly and then express the answers.

The content is very good, and even Qi Jing, who came in halfway, wanted to know how long it would be for the best elimination time.

Of course, it would be even better if he could correct the strange accent in his mouth.

The conference room used for teaching lectures is very small, and it is good to sit on about twenty people. Facing the podium at the door, Qi Jing's arrival seemed abrupt. Even if he didn't say a word throughout the whole process, the confident footsteps were enough to attract attention.

"You are among the people who came to visit the day before yesterday..."

Kaj obviously had some impression of him, but the impression was still on the surface. He thought that the three of them were pigs, but later he realized that they were actually doctors: "Are you leaving without you familiarity? Why did you come back yesterday afternoon?"

"My two friends left without interest in raising pigs. I was quite interested. I also wanted to ask the teacher a few questions, so I came back. I originally wanted to wait for you to finish talking outside the door, but later I heard it more and more interesting, so I couldn't help but walk in." Qi Jing stepped into the back seat, "You care, continue talking, don't worry about me."

Kajer did not realize Qi Jing's intention. He was a little simpler, but he was indeed very capable and was worthy of being a famous researcher at North Carolina State University.

In order to maximize the future profits that boars can generate, he specifically referred to the "Asset Replacement Theory" which provides decisions for the replacement time of large-scale equipment in manufacturing. As stated in the book, Kaj used each boar as one piece of equipment and designed a model.

In the model, all profits that this pig can generate in the future are calculated at the same time. (3)

"First of all, we need to consider the relationship between the yield and the frequency of sperm collection and the age of boars. We preset several elimination plans in the model..."

Kaj was still talking about this, and suddenly Qi Jing raised his hand and asked, "Teacher Kaj, I would like to ask, if a boar is infected with swine flu, will it have an impact on sperm y?"

"It will definitely have an impact. Jingy is a product that can be sold. Once infected, the value will be greatly reduced."

"If there is any impact, how should the boar's profit be calculated? Also, is there such a plan for elimination in the model you mentioned?"

Kajer does not study swine flu at all. He is just a mathematical model maker serving the animal husbandry. Out of rigor, Kajer can't explain the relationship: "Friend, if you want to know about pig farm defense, you can go to the newly established pig farm. Dr. Zelin, who specializes in pig farm design, will work there."

"I thought you two had a bad relationship."

"It's just that there are different ideas. She just blindly increases costs, and I specifically compress costs for pig farms, or find a balance point for scientific pig farming."

The Indian brother loves his career very much and his words are full of pride.

"There is another one? It seems to be called..."

"Steve."

"Yes, Steve, it seems like a veterinarian?"

"Veter?" Kajer was a little surprised by the title at first, but after thinking about it, he seemed to be nothing wrong, so he nodded, "It's right."

"That's true?" Qi Jing captured the change of expression very accurately, "Isn't it before?"

"He was transferred in the past two years and seemed to be a doctor before."

doctor......

"Where is someone else? I went to the villa after I came back and didn't seem to see him."

"He stayed in the pig farm for a week and left without any new discoveries. He would build a model of infection."

"Leaving? Where have you gone?"

"How can I know this?"

Qi Jing nodded, and after asking for clues, he did not forget to care about their physical condition: "By the way, Morton and his wife both have fever, don't you get the flu, are you?"

"No, I have basically never had any contact with them."

Kaj looked at the laser pen in his hand and suddenly realized that his lecture had changed, and it was just to answer someone's questions: "Since you are here, please listen carefully and don't interrupt my teaching lecture."

"I'm here to interrupt."

"You just said you were interested, why are you now..."

"Forget it." Qi Jing walked up to the podium and looked at the curve tables on Kajie's textbook. He was indifferent. "Isn't it over to just put this little thing on the table? Why are several chart formulas so complicated?"

After saying that, he patted his butt and left.

Since the research direction did not expect swine flu, Kaj's possibility was basically ruled out. Zelin was still working in the new pig shed, and Morton was still waiting for her various test reports. Qi Jing turned to Aila who was resting in the room.
Chapter completed!