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From the USDepartment of Health & Human Services

2009 年 7 月 13 日

H1N1 virus, a new observation of unusual New Insights Into Novel H1N1 this spring, a new influenza virus, or swine influenza virus is a worldwide cause disease. Initially known as the \New research shows the virus source and it will bring great harm.

8 genes of influenza viruses, including hemagglutinin (H) and neuraminidase (sugar) acid glycosidase (N) encoded in the viral surface proteins, they can keep the virus from one cell to another cell invasion copy Communication. A total of 16 H subtypes and 9 N subtypes, manufacturing 144 kinds of possible HN complex. These two proteins are easily happen subtle variations in the impact of the virus invades the human body immune system can make the identification on them.

by the National Institutes of Health, Department of Allergy and Infectious Diseases and the National Association for the Study of Traditional Chinese Medicine composition of some of the research group has collated a new source of H1N1 virus and how it evolved in the image description. They found that the new H1N1 swine influenza virus not only daughter but also caused widespread epidemics in 1918,mbt trainers, H1N1 virus mixed offspring. H1N1 virus was caused worldwide 400-500 million deaths.

National Institute of Infectious Diseases metamorphosis reflect said Dr. Anthony S. Funci \, including the 1918 virus’s daughter continued to multiply cycle for 90 years. \
the other hand, two research groups and the National Institute of General Medical Centre for Disease Control and Prevention researchers together to test the recent H1N1 virus spread and incidence of new capacity. They isolated from three patients the virus, injected into mice and ferrets body. The results, published online in \
researchers found that compared with the seasonal H1N1 influenza viruses, the new H1N1 virus replication in the lungs with high levels of folding,asics 2130, and more deadly. Scientists also in ferrets were also found in the intestinal virus,mens air max 95, which could explain why some patients infected with this virus problem gastrointestinal reactions. However,keen shoes, the new seasonal H1N1 viruses and H1N1 viruses compared to that in ferrets with respiratory droplets between the low infection rate.

influenza virus and target cell binding is dependent hemagglutination always combined. The researchers found that H1N1 virus on a new hemagglutinin and human respiratory tract on receptor binding and low efficiency is less than other influenza viruses. However,asics shoes sale, rapid mutation of influenza viruses, so the virus can improve its binding ability.

researchers also found that the H1N1 virus is not new model PB2 gene, the gene and the effective dissemination of the virus. However, they pointed out that the virus through mutation or through the exchange of genes with other influenza viruses, the genetic model for other captured.

recently begun to study how the new type of H1N1 and how it caused pandemic spread of the organization is essential. \
Harrison Wein, PH.D