The common influenza virus code is H1N1. In early 2012, in the laboratory of Dutch scientist Ron Fuhiye, the highly pathogenic avian influenza H5N1 virus has undergone mutations of ten generations and has the ability to transmit between humans through the air. . A similar virus was also created in the laboratory of Professor Kazuo Kazuo of the University of Wisconsin-Madison. The human death rate of H5N1 virus is about 60%, which is higher than SARS.
Witnessed the first virologist who was infected with the H5N1 virus in 1997. He described his worries for years: "If the virus suddenly kills people and can be transmitted from person to person, it is the end of the world." arrival."
On January 23, 2013, 40 scientists from all over the world, including Fu Xiye, Kawaoka Yoshihiro and Guan Yu, jointly published an open letter in the international authoritative journals Nature and Science. A year of research on the H5N1 virus against mammalian infections is about to restart in their appeal.
The latest generation of avian influenza virus is currently H7N9. World Health Organization spokesman Hartle said on the 3rd that the organization has found that the virus has mutated and become susceptible to infection.
H7N9 Avian Influenza Virus Symptoms
[Information] The outbreak of influenza in 1918
Dr. Jeffery Taubenberger, a pathologist at the American Institute of Military Pathology, recently unveiled eight gene fragments of the 1918 pandemic virus. This study shows that the flu that killed 50 million people in 1918 may have been transmitted directly from humans to humans, and some of the variability of the flu virus is very similar to the variability of the H5N1 avian flu virus that ravages Asia. . This comparison means that H5N1 may already have the ability to spread directly from birds to humans. The 1918 puzzle story begins in 1917.
In July of the same year, the United States announced its participation in the ranks of the Allies, which were composed of Britain, France and other countries, and declared war on the Allies headed by Germany and the Austro-Hungarian Empire. When the US military assembled in the country, soldiers from all directions spread the flu virus in the military camp. When millions of American troops went to the European battlefield, they brought the virus to the European continent. Then, the flu quickly spread through all three distant naval ports - Freetown, Sierra Leone, Africa, Brest, France, and Boston, USA, in all directions, and none of the six continents survived. In 1918, when the brutal battle of the First World War entered the final year, the flu began to take away the lives of soldiers. In Philadelphia, unclaimed bodies were scattered for a few days until Mara’s car crossed the street, calling on living people to take away their dead relatives. The people of Cape Town emptied the coffin and poured the body still wrapped in a blanket directly into the large grave. Thousands of American soldiers have died on a transport ship known as the "boat of death". There is no way to stop this ghostly "killer." "If the epidemic continues to grow in multiples, civilization will easily collapse within a few weeks," wrote American public health official (Victor Vaughn).
This is the horror power of the "Spanish flu" in 1918. It may infect 30% of the world's population and kill nearly 50 million to 100 million people. In the 24 weeks of the virus's epidemic, the number of people who died was even more than 24 years old. People used to call this catastrophe "Spanish flu", but the deadly flu did not happen in Spain. Obviously it was because the news media reported that the flu broke out in Spain in May 1918. In fact, the disease had spread out before the hostile sides of the European front, and in the spring and early summer of that year, the entire army had been killed.
After that, the flu seems to have begun to subside. But by the end of the summer, the "Spanish flu" had come back, and most of the targets of this attack were young and middle-aged. The people who are usually susceptible to the flu are children and the elderly, but the 20 to 40 years old were the weakest people. The patient has a fever when he falls ill, accompanied by severe headache and joint pain. Some people die in two or three days. The deceased's face is purple and basically suffocates and dies. The doctor who opened the chest of the deceased was shocked: the normal lungs were light and elastic, but their lungs were as heavy as a sponge soaked in water, filled with bloody fluid. Scientists believe that the reason is probably that "Spanish flu" is different from other weaker flu viruses, which can obviously cause excessive reaction of the human immune system.
After the immune cells shred the infected tissue and try to destroy the virus (this process is called cytokinestorm), then the blood and other fluid substances carry these immune cells, pour into the lungs, and cause acute respiratory distress synthesis. Expropriation (ARDS).
Because young people have a strong immune system, their chances of being affected by this physiological response are greatly increased.
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