It was learned from the Ministry of Agriculture that the H7N9 subtype bird flu vaccine developed by Chinese scientists and technicians was put into production. The National Avian Influenza Reference Laboratories adopted reverse genetic technology to construct safe and highly effective H7N9 inactivated vaccine production strains. After strict evaluation, the new vaccine strains have no pathogenicity to poultry and mammals.
In order to avoid repeated injections of single seedlings, reduce the number of stress on poultry and expenses for epidemic prevention, and achieve one-time immunity while preventing and controlling the H5 and H7 subtypes of bird flu epidemic strains, the National Bird Flu Reference Laboratory is based on the original H5 recombinant bird flu vaccine. Successfully developed a bivalent inactivated vaccine against recombinant human bird flu virus (H5+H7). The protection rates for H5 and H7 subtype avian influenza are all 100%, providing strong technical support for the effective prevention and control of bird flu in China.
To effectively prevent and control H7N9 subtype bird flu, the Ministry of Agriculture actively promotes scientific and technological research and organizes the National Bird Flu Reference Laboratory to carry out H7N9 bird flu vaccine research. The Ministry of Agriculture recently organized the completion of the evaluation of H5-H7 bivalent vaccines and the release of technical standards, and organized enterprises to carry out vaccine production. In order to ensure the quality of the vaccine, a series of arrangements have been made for the issuance of a strict management system for issuing batches, and for the intensified electronic traceability management and supervision of vaccine products. The first batch of vaccines arrived in Guangdong, Guangxi and other places at the end of June for pilot immunization.
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