St. Mungo's chief therapist Hibbekrate Smethic, and trainee therapist Augustus Pye, came to Hogwarts early in the morning.

"Go directly to the classroom for testing." Dumbledore led the two therapists to the first floor.

Astoria's class was having a Transfiguration class with Gryffindor, and Sean, an idler who was patrolling between classes, followed curiously.

Slytherin and Gryffindor were taking Professor McGonagall's Transfiguration class, and when Dumbledore came to the door, Professor McGonagall stopped teaching.

"The situation is not very optimistic. It's just that after a weekend, there are more symptoms among the students." Professor McGonagall whispered in Dumbledore's ear.

It was just two days later that students with magical power disorders sprang up like mushrooms after a rain, accompanied by symptoms of lethargy and loss of appetite.

Even Draco, who was lying on the hospital bed and eating the snacks sent by his classmates yesterday, was in a state of staying up all night, his eyelids were drooping, and he couldn't keep his spirits up.

Two-thirds of the students in the Astoria class had such symptoms, and the Gryffindor students in the big class together seemed to be infected.

The two St. Mungo's therapists, before entering the classroom, put on protective measures outside, and the masks and gloves were tightly fitted.

After the two of them came in, the attending therapist Hippocrates Smesek reminded.

"You'd better wear masks and gloves. Look at this, even if it's not Barth's disease, it's other infectious diseases, but don't be afraid of Barth's disease. It's not the fourteenth century, and the preparation of antidote is very convenient."

Dumbledore and Professor McGonagall took masks from the hands of intern therapist Augustus Pai, and the students below were chattering around.

"Quiet." Dumbledore's loud voice resounded in the classroom, "Don't be nervous, classmates, some of you may be sick and need to be tested."

The classmates are even more nervous now. Originally, they felt that their state was a bit wrong in the past two days, but after all, they were still young and had no serious symptoms, so no one cared.

"Ginny, I'm scared," said a girl in Gryffindor on the left side of the classroom.

"It's okay, Dumbledore is here, don't be nervous." Ginny comforted.

In the classroom, 10 Slytherin students and 12 Gryffindor students lined up in turn, standing on both sides of the podium, with Smethyk in charge of Gryffindor, and intern Pai in charge of Slytherin.

"Put your hands out, take it easy, just take a drop of blood from your middle finger," Pai said.

Astoria stretched out her right hand, and Pai rubbed a cotton swab with alcohol on her middle finger, then skillfully punctured the **** with a fine needle.

"Come on, squeeze and drip the blood in," Pai said, holding up the ampoule.

Astoria squeezed a drop of blood into the ampoule, and Pai immediately took a drop of pale yellow liquid from a small bottle of about 50 ml with a dropper and dropped it into Astoria's ampoule. Then put the lid on.

"Okay, what's your name?" Pai asked.

"Astoria Greengrass."

With a flick of Pai's finger, a quill flew out of his breast pocket, and under his control, the quill wrote Astoria's name on the ampoule.

The ink in this quill pen is also custom-made by St. Mungo's Hospital. This ink can write clearly on glass, just like writing on paper.

Fifteen minutes later, the 22 students' blood draws were completed. At the request of the therapist Smethic, Professor McGonagall and Dumbledore also did blood draws.

"Sean, you come too." Dumbledore called to Sean outside the window.

Sean and Astoria have been in contact many times, and it really should be tested.

"Sir, if it's Barth disease, how does it spread?" Sean asked.

"Through physical contact, indirect contact, and objects touched by patients, germs can survive outside the body for ten to twenty minutes," Smethic said.

"There should be no direct physical contact, indirect contact?" Sean recalled, and there must be indirect contact.

"Professor, should Draco's class be tested too?" Sean said.

"Well, let's go now."

The light yellow liquid in the bottle was a special detection agent for Barth disease. After the blood with the Pasteur bacteria met the detection agent, the results would be available in about an hour. The blood turned brown to indicate that it had been infected.

Students who have been tested are required to remain in the classroom until the results are available.

After 1 hour and 20 minutes, the results of the blood reaction came out. The bad thing was that all the blood samples of Astoria, Ginny, and Delacoban were brown.

Even Harry, who occasionally attends classes with Dracoban, has been infected by a third.

A total of four classes were tested, and the infection rate reached 90%.

"My God, it's over. According to this infection rate, the members of the Ouroboros must also be recruited. At least one-third of the entire school is infected." Sean estimated the number in his heart. Fortunately, he himself Appears to be uninfected.

However, just now Sean had learned about the condition of Bass disease from the trainee therapist Paina. The first large-scale outbreak in the fourteenth century swept the whole of Europe. At that time, no antidote had been developed, so the fatality rate also reached 8%.

In the following centuries, Barth disease also occurred on a small scale in European countries, but with the development of antidote, the fatality rate dropped to 1%.

"No one has died of Bath disease now, and the antidote is also being perfected. Three years ago, a wizard village in Germany was also infected with Bath disease. It was controlled and treated in a timely manner, and all patients were cured in half a month." Pai said.

"But the infection rate." Pai muttered.

"What?" Sean asked.

"It's okay, when everyone in the school finishes testing, St. Mungo's will be able to control it with an antidote."

Sean thought that it was similar to the flu in Muggle society. He experienced a flu outbreak when he was a child, and the school closed to let them stay home. It will be fine after a while, and it is not a big problem.

There are 396 students in the school, plus 20 faculty members, 9 house-elves, and two therapists until 3 o'clock in the afternoon.

At about 4:30, everyone's blood sample results came out, and the number of infections surprised the therapist Smethic.

"There are 270 people!" This is more than half the number of people at Hogwarts, and the infection rate has exceeded the first outbreak of Bath disease in the fourteenth century.

Many of these students may have been infected in the last few days without initial symptoms.

"Director, this infection rate has never been so high in previous cases in various countries, could it be?" Pai hesitated.

"You're trying to say that germs have evolved and mutated and spread through the air." Smethic also thought of this possibility.

If it's airborne, it's bad, Hogwarts has to be locked down immediately, and even the students who have been to Hogsmeade on the weekends have to investigate the whereabouts~lightnovelpub.net~ When Smethysike put this conjecture When he told Dumbledore, Old Deng's face sank, and he did not hide it from the teachers and students, and immediately informed the whole school.

"For safety reasons and to facilitate centralized treatment, the infected teachers and students live in the auditorium, and other students stay in the dormitories. Hogwarts classes will be suspended from today."

There was an uproar among the infected students below. They had never experienced such a large-scale infectious disease, and the students with poor mental quality were crying uncontrollably.

"Quiet, listen to me, Bath disease has an effective therapeutic potion, St. Mungo's therapist will treat everyone as soon as possible, and then Hogwarts can resume classes." Dumbledore used a loudspeaker spell throughout the school said loudly.

Sean knew, "Voldemort let Astoria come back with a biological weapon."

But in addition to the high infection rate of this Bath disease, unless the symptoms are very serious in the later stage, wizards cannot cast spells, the symptoms in the early stage are still relatively mild, and the fatality rate is currently zero.

"Voldemort is knocking the mountain and shaking the tiger?" Sean secretly said.

Except for Sean in the Ouroboros, all the others were recruited, and Chris was in contact with Cassius again. Except for Hermione, the other two of the Harry trio lived in the auditorium.

That evening, the Evening Prophet first reported on the outbreak of Bath disease at Hogwarts, and the Evening News would only be printed when there was a major event.

And Dumbledore seemed to be afraid that Voldemort would take advantage of it, so he contacted Fudge in the afternoon, and sent five more Aurors to protect Hogwarts.

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