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Cao Hong arched his hand and replied: "That's right, according to the results obtained by the investigation of all the people in the Cao family's compound by my grandson and me, the only difference between those who have not been infected by the epidemic of abdominal pain and the infected people is in cultivation! In any other aspect, everyone is almost the same, including diet and daily necessities, are all under the unified control of the procurement department in the house, and there is really no other suspicious place!"

Old Man Bai looked at Cao Hong, and then at Old Man Cao, who had a stern expression, couldn't help but raise his hand, stroked his goat-like mustache, shook his head and said: "In this way, can we conclude that in fact, everyone in the Cao family's compound, even including you and me, has been infected with the abdominal pain epidemic, but our source force cultivation is relatively high, and the epidemic virus has no substantial effect on us, right?"

Cao Hong affirmed: "It should be like this!"

Old Man Bai sighed when he heard this: "This is really troublesome! There are more viruses and poisons that can be offset by the source power, if this is the only one, we will not be able to figure out the main cause of this epidemic at all...... What are we going to do next? We have to find a way to find out the ultimate source of the epidemic, right?"

Old Man Cao snorted coldly: "Since we can't confirm the type of epidemic virus, of course, we can only find the source of the epidemic...... However, this is also the most troublesome part! Think about it, what can be done to cause such a large-scale epidemic in Wanghai City?"

As soon as Old Man Cao's question came out, the whole room suddenly fell into silence, and neither Old Man Bai nor Cao Hong dared to easily determine the answer. Pen ~ fun ~ pavilion www.biquge.info

After a while, it was Old Man Cao who took the lead in speaking: "Originally, according to my idea, if Wanghai City can be infected with the epidemic of abdominal pain from the Cao family compound to the people of Limin, then the most likely thing to be used by the enemy is the water source!"

"Wanghai City is located on the shore of the sea, but the only source of fresh water that can be used for drinking in the whole city is the Haihe River that flows through Wanghai City! As long as the Haihe River water is polluted, will the people of Wanghai City who drink the water of the Haihe River still worry about not being infected with the epidemic?"

After listening to Old Man Cao's analysis, Cao Hong and Old Man Bai couldn't help but glance at each other, and then Cao Hong took a step forward and said to Old Man Cao: "Grandpa, although Sun Er also admits that what you said is very reasonable, but please don't ignore a very important factor! That is, the fluidity of the Haihe River!"

"People with a little common sense know that if you want to poison people, the water source is the first choice, and the static water source is the best choice among them! For example, well water, such as the water of small lakes, the water of reservoirs, and so on, because these water sources have the most significant characteristic, that is, static! Only a static water source will preserve the poison dropped by the poisoner, and effectively dissipate the effect of the poison, forming an epidemic!"

"But the situation in Wanghai City is far from being so simple! The part of the Haihe River that flows through Wanghai City is relatively small, and the surface of the Haihe River is extremely wide, so it is more appropriate to say that it is a 'river' rather than a 'river,' and this has led to a rather high flow and speed of the Haihe River! People who want to poison the whole city in such a Haihe River will all flow down into the endless sea within half an hour of the poison being thrown into the Haihe River! How can this cause such a huge epidemic to achieve the unique purpose of poisoning people?"

"Hong'er is right!" Old Man Bai took over and said, "Most of the things that involve poisoning and creating epidemics are related to water sources, but because of the particularity of Haihe, it is really difficult for us to have anything to do with water sources when we look at the epidemic in Haicheng...... Lao Cao, do you think it is possible to start with the source of the food? Or, let's make a bold guess whether the enemy will use poison like 'scattering with the wind' to spread it in the city from the upwind of Wanghai City?"

Old Man Cao thought about it very seriously, and then shook his head and said: "Impossible! Let's talk about the source of this food first! Food is different from water, water does not distinguish between high and low, and the whole city of Wanghai City drinks the water of the Haihe River! The food is delicacies and delicacies, there are vegetables and fruits, rich people eat better, and those who have no money eat poorly! Most of the ordinary dishes are produced in the suburbs of Wanghai City, and some other precious ingredients need to be transported by caravans to farther places! Different sources determine that it is difficult for the enemy to poison the food, and even if the enemy is really cornered, poisoning the food will definitely not cause the current large-scale epidemic!"

"As for the possibility of spreading such a medicine as 'scattering with the wind' into the city at an upwind point, it is even lower! You must not forget that Wanghai City is close to the endless sea, and the sea breeze blowing from the sea has affected Wanghai City for almost a long time! Under such an environment, wouldn't it be more difficult to put a poison that relies on air to spread, such as 'scattering with the wind,' than poisoning the sea river? If you throw the medicine out in the first gust of wind, the next gust of wind will directly blow the medicine away...... I'm afraid only a fool would choose this method, right?"

Old Man Bai frowned and said, "This is not good, that is not good! Could it be that this poisoned man is really a man of God? Otherwise, how could he have done this seemingly impossible thing?"

After going around in a circle, the three of them didn't come up with a reason, which couldn't help but make the three of them a little frustrated, and after a period of silence for more than ten minutes, Old Man Cao slapped the table and said to Cao Hong: "The only way to do this is to take one step at a time! Hong'er, you immediately rush to the water quality treatment plant outside Xicheng and call up the water quality treatment report from yesterday's daytime to today's daytime! See if there is any obvious change in the water quality! At the same time, you go to the Rejuvenation Medical Center and invite the eldest grandson doctor to Cao's mansion!" In the name of Dr. Changsun's miracle doctor, it should be easier for him to find out where the real virus is!"

Cao Hong was slightly stunned, and asked Old Man Cao: "Grandpa, of course there is no problem with going to the water treatment plant to get a water quality report, but this is the matter of going to the Rejuvenation Medical Center to ask Dr. Sun...... Aren't you afraid that the enemy hiding in the shadows will take this opportunity to find out about Ling'er's younger sibling's pregnancy?......"

Old Man Cao waved his hand and said firmly: "Now that the situation is urgent, we can only take extraordinary measures! The epidemic caused by the enemy's poison has created a problem for us, if we always let the eldest grandson doctor, the most powerful miracle doctor, not use it, it will make the enemy hiding in the shadows suspicious!" Anyway, the source power cultivation of the eldest grandson doctor is also quite low, even if he stays in the rejuvenation medical hall, it will not be of any effective help to protect Ling'er and the child in Ling'er's womb, in this case, it is better to let him come to the Cao family's compound and lead the doctors of the Bai family to see if they can find out what kind of poison the enemy threw as soon as possible, so as to fundamentally cut off the source of the epidemic!"

After Old Man Cao's explanation, Cao Hong suddenly felt at ease, and hurriedly responded "Yes!" and then hurriedly ran out of the room and did what Old Man Cao instructed!

Old Man Cao and the others here are at a loss, and the Rejuvenation Medical Hall over there is also very busy!

As the doctor with the highest medical skills in Wanghai City, the eldest grandson, known as the "miracle doctor", is naturally the first choice of the people after they get seriously ill!

There are more than a dozen doctors up and down the rejuvenation medical hall, and more than 50 medical staff are very busy! In everyone's hands, there are several patients to take care of, and there is even a long queue at the door of the clinic where the eldest grandson is not sick!

Fortunately, Old Man Cao had already predicted this phenomenon, and asked Cao Hong to send someone to inform Red Sleeves that he must not let Changsun Ling contact the patients, or I am afraid that even Changsun Ling, who is pregnant, will resolutely join the front line of diagnosing and treating patients!

Listening to the painful wails and noisy shouts in the front yard, Changsun Ling's compassion as a doctor spontaneously arises, but Changsun Ling also knows the heavy responsibility he shoulders, that is, to ensure his own safety and the safety of the baby in his womb! So even if Changsun Ling wants to rush out to treat the disease and save people, he still tries his best to control himself and insists on not taking a step out of the door! This makes Changsun Ling's heart suffer from pain and self-blame all the time, and his days are like years......

Fortunately, Changsun Ling was accompanied by red sleeves, which made Changsun Ling faintly find a support, and the sisters comforted and encouraged each other to face the difficult test together!

And Kanaka, who has been guarding the door of Changsun Ling, has already entered a state of stealth, as long as there are suspicious people who dare to approach Changsun Ling's boudoir, Kanaka does not mind killing and blood spattering five steps!

In the midst of this chaos, a horse team composed of more than a dozen people quickly galloped out of the Cao family's compound, whipped all the way to the crowded street, and came straight to the gate of the Rejuvenation Medical Hall.

Then, under the leadership of the old man at the head, these dozen people turned over and dismounted, stood in two rows in a column, and followed the old man as the leader, and strode into the rejuvenation medical hall!

As soon as the person in charge of the reception of the Huichun Medical Center wanted to step forward to ask about the origin and purpose of these people, he saw that the old man who was the leader turned his palm over, and he didn't know where to take out a golden token, and the word "Cao" was clearly engraved on the token!

Seeing the token, the receptionist trembled, didn't dare to say a word, bowed deeply to the dozen people, and quietly retreated to the side.

When they came to the door of the eldest grandson's disease-free clinic, the old man who was the leader waved his hand lightly, and his dozen or so subordinates quickly dispersed, completely blocking the door of the clinic!