A Chinese herbal compound called Nas was successfully developed by the Yunnan Provincial Institute of Ecological Agriculture. After experiments in Thailand, Vietnam, Laos, and Myanmar, the drug was shown to be effective against highly pathogenic avian influenza (H5N1). effect.
It is understood that Nas has passed the experiments of Harbin Veterinary Research Institute, Lanzhou Veterinary Research Institute and West China Medical University of Chinese Academy of Agricultural Sciences.
Experiments with chicks and laboratory mice have shown that Nas has both preventive and therapeutic effects. According to Zhongyuan, the main developer of the drug, infectious disease vaccines have occurred ten days after the vaccine was injected, and there was no effective way to control the infection within ten days. On the other hand, if the bird flu virus spreads, then the vaccine has been injected. No effect. Nas can be effective after more than ten hours after feeding chicken infected with bird flu virus. Experiments have shown that Nas-type 1 antiviral agents are dozens of times more effective than anti-cold ones at low doses. Each time only 0.20g of Nas is added to the feed of each chicken, and they can be killed within two days of feeding. Avian influenza highly pathogenic virus.
Zhongyuan stated that they are actively fighting for Nas to enter the production stage as soon as possible. He said that if the threat of bird flu is imminent, the Nas can be put on the market in half a year if the SARS vaccine and medicines can be opened in the same way as the 2003 SARS vaccine and medicine. In addition, that and his assistants are actively studying anti-avian flu agents that are effective against the human body.
It is understood that the Institute of Ecological Agriculture in Yunnan Province began the development of anti-bird flu vaccines and medicines four years ago. It was mainly to solve the problem of large-scale deaths of chickens caused by chickens in Yunnan mountainous areas. In the past year or two, due to the spread of bird flu in the world, the Institute has accelerated the pace of research. Nas has been listed by the Ministry of Science and Technology of China as one of the â€œ15 National Projects for Key Projectsâ€ last year.
Zhong Yuan also said that experiments have shown that the drug is also safe, fast and efficient, easy storage and transportation, easy to use, low cost and other features. The general vaccine will produce antibodies after the birds are taken, thus affecting food safety, but Nas as pure herbal agent can completely avoid this happening.
He said that in the near future, they will cooperate with the relevant departments to provide Kunming's â€œold friendâ€ Red-billed Gull, a group of migratory birds that have been flying from Siberia to Kunming for the past 20 years. Medium-sized gulls are fed to prevent birds from being infected with bird flu.
These kind of herbs are made from plants` rhizomes. A rhizome is the main stem of the plant. In general, rhizomes have short internodes, send out roots from the bottom of the nodes, and generate new upward-growing shoots from the top of the nodes. Some rhizomes have precious medicinal value, so we process them and apply to herb medicine area. Such as POLYGONUM CUSPIDATUM and POLYGONI MULTIFLORI RADIX.
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