Listen to me first. Otherwise, I'm afraid I won't be able to convey my ideas soberly for a long time. His face was a little pale, but his expression was unusually calm, but there was a sense of loss and helplessness in his slightly hanging smile. "I have figured out the cause of death of Xiao Kai and the three of them, and what happened in the world." The author has something to say: Reader: We've already figured it out. Qin Ci:.. Doctors are getting harder and harder to do. Yueyue:.. The author is getting more and more difficult to do. Chapter 291 Restart-16 is more terrible than ghosts and gods. Biosafety laboratory is a scientific institution that carries out experiments and research on pathogenicity microorganisms. Such institutions are committed to the research of pathogenic factors, the development of therapeutic drugs, and the protection and protection of human life and safety. Biosafety laboratories are divided into four levels according to the degree of biological risk of research objects. The first level laboratory has the lowest requirement for biosafety isolation, and the fourth level is the highest. First-tier laboratories study and deal with agents that cause little harm to healthy adults, such as chickenpox. People who work in level one laboratories only need to wear gloves and face protection. Some test beds are open, and some laboratories are not even isolated from the public. Secondary laboratories conduct research and deal with pathogenic agents that cause only mild diseases in humans and usually have preventive and therapeutic methods, such as measles. The secondary laboratory will be isolated from the public, and only the laboratory personnel can enter and exit. Tertiary laboratories conduct research and deal with diseases that can cause serious or fatal diseases in humans and can spread in the form of droplets. There may be ways to prevent and treat such diseases, but they must also be vigilant at all times, such as rabies and AIDS. For example,
plastic pallet bin, the SARS coronavirus, which once wreaked havoc around the world and still makes people palpitate, belongs to the third level. Staff working in tertiary laboratories, even if they are experienced, must receive special training in advance for pathogenic agents,
plastic pallet supplier, and the laboratory must be completely sealed and under negative pressure to prevent indoor gas from leaking outside. When carrying out experiments, we must also take very strict protective measures. Before entering the laboratory, the staff must wear protective suit in the buffer room. All experiments need to be carried out in the biosafety cabinet. The third-level laboratory is already such a strict safety protection measure. The third-level laboratory is already the pathogenic factor of AIDS and SARS. So, what about the highest level four laboratory? Level 4 laboratory, the highest protection laboratory, the highest level of biosafety laboratory in the world. What it studies and deals with is a poorly understood, extremely lethal, airborne, droplet borne, unpreventable,
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collapsible bulk container, and incurable agent of infection. Therefore, people also call the four-level laboratory "the devil's laboratory". The Class IV laboratory needs to be completely isolated from other buildings in the vicinity. It needs to install a special air conditioning system with a filtration degree of 99.999%. It requires a negative pressure system in the laboratory, with a pressure of minus 40 Pa, to ensure that the air in the laboratory does not flow outward. All experimenters must be strictly trained to wear a fully enclosed protective suit before entering the experiment. There will be a long air pipe behind the protective suit, through which the independent oxygen supply system of the laboratory delivers air to the interior of the protective suit. To reach the core area of the laboratory, experimenters need to go through 10 doors. The 10 doors are interlocked. If one door is not closed properly, the other door will never be opened. This is done to avoid air circulation. The experimenters coming out of the core area should first disinfect the surface of the protective suit repeatedly with chemical shower and ultraviolet rays in the disinfection area, and then enter the buffer area to remove the outer protective suit, masks and gloves. After closing the door of the laboratory, you can take off the protective glasses again. After that, we need to go through another buffer room and retreat to the preparation room.
In the preparation room, they can take off all the protective equipment on their bodies and take a bath immediately. After completing this series of tedious work, the experimenter can leave the laboratory. What are the pathogenic factors that make people so strict, cautious, meticulous and nervous, or deadly viruses, which are more dangerous than SARS and may cause global catastrophe if they are not careful? Vibrio cholerae has a mortality rate of 25% to 60%. Bacillus anthracis has a mortality rate of 20% to 60%. And the mortality rate of Ebola virus can be as high as 90%. Unlike cholera, which can reduce the mortality rate to 1% as long as it is treated in time, and anthrax, which is not directly transmitted from person to person, Ebola virus can be transmitted through human blood, saliva, excrement and vomit. It is the deadliest viral hemorrhagic fever and the most virulent infectious disease virus in the world today. How terrible is the Ebola virus? Some people say it can kill people twice. Kill once in character, kill again in body. People infected with Ebola suffer extreme damage to their brain tissue, which can lead to insanity and depersonalization. Some will be as manic as rabies, while others will strip naked and bleed like zombies. So some people call Ebola virus zombie virus. But the scariest thing about it is not here. When Ebola virus enters the human body, it will frantically attack blood vessel wall cells, weaken or even break the blood vessel wall, causing massive internal bleeding. It also attacks collagen, which is the connective tissue that holds the body's internal organs together. It turns the collagen in the body into a slurry, and holes begin to appear on the surface of all internal organs, including the skin. Blood pours out of these holes. Between the skin and the muscles and bones,
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