A bulletin of glad tidings! Starting the year 2022 on a high note, Dahuanong Biotechnology Company's two products for highly pathogenic avian influenza have been granted approval in the first batch of approvals

On January 27, the two products of Zhaoqing highly pathogenic avian influenza were first approved, respectively, recombinant avian influenza virus (H5 + H7) trivalent inactivated vaccine (H5N6 Re-13 + H5N8 H5-Re14 + H7N9 H7-Re4 strain) (trade name: Duoan): veterinary drug: 190022368; bivalent inactivated vaccine of recombinant avian influenza virus (H5 subtype) (H5N6 Re-13 + H5N8 H5-Re14) (trade name: an): veterinary drug 190022369.

Zhaoqing Dahuanong is a manufacturer of highly pathogenic avian influenza vaccine designated by the Ministry of Agriculture and Rural Affairs. After nearly 20 years of production, the recombinant products from Re-1 to Re14, from H5 to H7, from single seedling to trivalent vaccine, have explored a stable and advanced production process. The company has invested heavy funds to actively transform the workshop and upgrade the three-level protection of biosafety, with high degree of production automation. The raw materials are from the standardized non-free farm and SPF egg farm built by the company. The white oil adjuvant adopts imported high-quality products to ensure the good safety of the vaccine and the long protection period. All vaccines have been strictly tested to ensure that all indicators are higher than the national standards, the production process is strictly controlled, the purified antigen has high potency, the antigen endotoxin content is small, high purity, and no preservatives such as thimerosal. Oil emulsion vaccine has small viscosity, high uniformity of emulsified particles, small side effects, and good safety. Storage under standard conditions, long shelf life, high stability.

The annual supply of inactivated avian influenza virus vaccine exceeds 4 billion copies, and the service network covers 23 provinces and cities, effectively meeting the major demand for the prevention and control of highly pathogenic avian influenza in China, and effectively guaranteeing the healthy development of the poultry industry.