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Chapter 1542 Plague and Statistics
Statistics is a science that ordinary people think is nothing great. It is nothing more than collecting, sorting, analyzing data, and drawing conclusions. A more superficial view thinks that it is nothing more than counting the number of people or the number of cases.

However, this is not the case in fact. Statistics has an indescribably great effect and is an art. In many cases, data is more practical than Zhou Zhang's nonsense.

Nightingale was not just a nurse, but also the first female member of the British Royal Statistical Society. She and Xiao Xiuer jointly proposed a method to find the source of disease in the city-"Death Map".

The scope of the Tianjin Acropolis is quite large, and it often requires ingenuity to accurately find the source of Vibrio.

Their team first asked each patient's residence in the plague area, recorded it in detail, and then went to the city to draw a map of the streets, and then marked the location of the patient's house on the map.In this way, a "death map" was born.

A map was spread out on a wooden table, with many black dots on it, each black dot was the place where the patient lived, there were hundreds of black dots.

Through this simple and effective statistics, it is easy to trace the source of the infectious disease - the denser the black spots, the more likely it is the source of infection.You can even see how the germs spread through the distribution of black spots.

"I have already asked the officials here that there is not much wind in the city these days. If the bacteria spread through the air, the distribution of the black spots should be like this: the germs spread evenly from the center of the densest black spot to the surroundings, and the more There are fewer black spots on the periphery. But it is obvious that the distribution of black spots is not evenly distributed... so there is a high probability that air is not the main way for germs to spread." Xiao Xiuer pointed to the strange distribution trend of black spots, and concluded from the death map that came to a conclusion.

Any disease needs a medium to spread, and the epidemic that spreads in the air is terrible and difficult to isolate. People can't stop breathing, right?

If the possibility of airborne infection is ruled out, then it is only necessary to find the real transmission route of Vibrio, and then block the transmission of the bacteria, then there will be no new patients.

"Obviously this place is the real source of infection, and the number of sick people in this place is extremely large." Nightingale pointed to a place.

"If I remember correctly when I was drawing, this should be an inn, next to Caishikou and folk houses." Xiaoxiuer said.

"It is very necessary for us to go there. If it is not airborne infection but contact infection, we must pay attention to our own safety during the investigation. We must wear masks and gloves, and prepare disinfectant alcohol." Nightinger Er said.

This investigation team took the death map and went to the discovered source of the plague.

This inn located in the city was originally a small inn, receiving businessmen or travelers temporarily staying in Tianjin Wei.

However, the plague that broke out suddenly in the city destroyed the inn. Many people who stayed here suffered from the plague one after another and were sent to the plague area for isolation.

The plague broke out in the city with too many people. For a while, the government didn't notice that the proportion of sick people in the inn and surrounding areas was higher than other places.

When Xiaoxiuer and Nightingale found the inn, thousands of people in the city had already been infected by the plague, and nearly half of them died.This is an exaggerated ratio, 100 out of 50 infected people will die!
The inn was closed, so they had to go to find the innkeeper.

The shopkeeper was not sick, but because of the martial law imposed by Tianjin Wei, he couldn't escape the city, so he had to hide in a safe street where no patients had been found.

"It's really scary. More than half of the shop assistants I hired were sick and sent to the plague area. I've never seen such a thing. Fortunately, I have been visiting relatives in the countryside for the past few days, and when I came back, I found out about the outbreak of the plague. It's a pity that I died when I entered the city. I can’t get out. I don’t know when the terrible plague will end.” The shopkeeper was visited by Xiao Xiu’er, Nightingale and others, and he felt a lingering fear, and he was still a little scared when he thought of his own experience.

"We suspect that the first place where the plague broke out is your inn. The inn is a place full of fish and dragons. There are businessmen and travelers from all over the place. Maybe the businessmen or travelers came from somewhere and brought the plague germs." Xiao Xiuer said The conjecture of their investigation team.

"No way, how could the plague spread from our inn... But maybe it is, otherwise most of the waiters and chefs I hired would not have died..." The shopkeeper was dripping with sweat.

"Did any strange people stay in your inn in recent days? For example, some patients." Xiao Xiuer asked.

"I don't know about this. The plague had already broken out when I returned to the city. By the way, I still have a waiter alive, and he may have seen some strange people. Damn, how can we let the sick stay in the inn? Ask for trouble! I'm going to find that shop waiter."

Soon a frightened waiter was approached by the shopkeeper.

He was a little trembling when he spoke now. After all, most of his companions were infected with the terrible plague. Many died, and those who survived were still struggling in the plague area.

"When the girls asked this question, the little ones thought of a few days ago before the plague broke out, a group of sailors came to stay with us, and they carried a patient. At that time, the patient was vomiting and diarrhea. That's right, it's like getting the plague!" The waiter tried hard to recall the scene at that time, the more he thought about it, the more frightened he became, and finally he screamed.

At that time, it seemed to be just ordinary diarrhea, who could have imagined that it would be a plague!

"Why do you allow that kind of sick person to stay overnight in our inn? Do you know that this will harm everyone, and my inn has closed down because of this!" Hearing this, the shopkeeper excitedly grabbed the waiter's coat.

"Shopkeeper, who would have thought that that guy had the plague, and it looked like just ordinary diarrhea. At that time, I thought that diarrhea was not an infectious disease. Even if he died, it would be his bad luck. At that time, they asked for several Room, I'm not here for the business of the store..." the waiter said aggrievedly.

"Shopkeeper, now is not the time to blame him, we must find out the source of the plague as soon as possible. Do you know who were the group of sailors staying in the store at that time?" Xiao Xiu'er asked.

"They seem to be... the crew of some company, by the way, it seems to be the East India Company."

"East India Company?!"

Xiao Xiuer and the members of the investigation team tracked down here, and were deeply surprised by the result.

Unexpectedly, the outbreak of the plague had something to do with the East India Company. Could it be that this unprecedented germ was not local but came from overseas?

(End of this chapter)