In the development process of human civilization, we are constantly suffering from infectious diseases. In a sense, a history of human civilization is a history of humans fighting infectious diseases. One of the most terrifying is the infectious disease caused by the virus. The following is the content of the ranking list of the top ten terrorist viruses in the world. I hope to help you.
The world’s top ten terrorist viruses ranking list_Global Top Ten Infectious Diseases ranking list_The world’s most serious viruses rankings are constantly suffering from infectious diseases in the development of human civilization. In a sense, a history of human civilization is a history of humans fighting infectious diseases. The most frightening of these is the infectious disease caused by the virus, because the virus is small in size, has few genes, changes quickly, and spreads quickly. Sometimes the most terrible viruses are not the most virulent, but the newly emerged viruses, because it takes a certain amount of time for scientists to find a way to deal with new viruses, during which time they often cause large-scale casualties.
1 Ebola virus;; currently the most terrible
It can cause acute infectious disease Ebola hemorrhagic fever, which can be transmitted through physical contact. It is the most virulent virus in existence, resulting in a mortality rate of 50% to 90%. There are no vaccines and drugs that effectively protect against this virus. It wandered like a ghost in Africa with an extremely terrifying way and speed, and it broke out 23 times from 1976 to 2012. In July 2014, the Ebola virus broke out again in Africa. The number of infections and deaths has exceeded any in the past, and it is still spreading, and there is no sign of being controlled.
2 Influenza A virus; the "most dangerous member" of the influenza virus family
Influenza viruses are divided into three types, namely A, B and C. Among them, influenza A virus is one we are more familiar with, and it is also the most dangerous one. The most terrifying flu in history occurred in 1918. This global flu claimed 50 million lives. The chief culprit was the H1N1 influenza virus. The avian flu that has become so fascinating is also a type A flu. The H5N1 and H7N9 that have been circulating in recent years are all avian flu that is harmful to humans. The frightening thing about influenza A is that it can evolve new strains through genetic recombination within a short period of time. Each recombination increases toxicity and infectivity, and can lead to the failure of original treatment methods. The symptoms of patients after infection are mainly high fever, cough, runny nose, myalgia, etc. Most of them are accompanied by severe pneumonia. In severe cases, heart, kidney and other organ failures lead to death, and the mortality rate is high.
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