Low virulent strain of porcine reproductive and respiratory syndrome virus, immunogenicity immunogenicity material and vaccine
A technique for respiratory syndrome and pig breeding, applied in the fields of virus antigen components, antiviral agents, viruses/bacteriophages, etc.
Active Publication Date: 2008-11-19
CHINA ANIMAL DISEASE CONTROL CENT
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Deposit unit: General Microbiology Center of China Committee for Microorganism Culture Collection (CGMCC)
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The application relates to a domesticated porcine reproductive and respiratory syndrome virus low virulent strain (JXA1-R strain), immunogenicity substance containing the viral strain, and a porcine reproductive and respiratory syndrome virus low virulent live vaccine developed through making use of the strain. The live vaccine is used to prevent the porcine reproductive and respiratory syndrome, in particular the highly pathogenic blue-ear porcine disease.
Description
Attenuated strain of porcine reproductive and respiratory syndrome virus, immunogenic substance and vaccine technical field The invention relates to the prevention and control of animal diseases, in particular to an artificial attenuated virus strain of porcine reproductive and respiratory syndrome virus and immunogenic substances and vaccines containing the virus strain. Background technique Porcine reproductive and respiratory syndrome (also known as porcine blue ear disease) is caused by porcine reproductive and respiratory syndrome virus (porcine reproductive and respiratory syndrome virus, PRRSV), with fever, abortion, piglet mortality before and after weaning, piglets of different ages Diseases with clinical features such as breathing disorders. The disease was first discovered in North America in 1987, and almost at the same time, the disease was also reported in Europe. At present, the disease is one of the important diseases seriously affecting the development of...
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IPC IPC(8): C12N7/01A61K39/12A61P31/14C12R1/93
Inventor 田克恭
Owner CHINA ANIMAL DISEASE CONTROL CENT
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