Chengda Biology announced that its wholly owned subsidiary, Chengda Biology (Benxi) Co., Ltd., has received the “Drug Clinical Trial Approval Notice” (Approval Number: 2026LP00405) issued by the National Medical Products Administration, approving the clinical trial of the high-dose influenza virus split vaccine. The influenza virus split vaccine (high dose) applied for by the Benxi subsidiary is produced by inoculating chicken embryos with the WHO-recommended H1N1 and H3N2 influenza virus strains, followed by cultivation, harvesting of the virus fluid, purification, virus lysis, and inactivation. The active ingredient is four times the dose of the standard influenza vaccine.
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Chengda Biotech: Subsidiary's Influenza Virus Lysate Vaccine (High Dose) Approved for Clinical Trials
Chengda Biology announced that its wholly owned subsidiary, Chengda Biology (Benxi) Co., Ltd., has received the “Drug Clinical Trial Approval Notice” (Approval Number: 2026LP00405) issued by the National Medical Products Administration, approving the clinical trial of the high-dose influenza virus split vaccine. The influenza virus split vaccine (high dose) applied for by the Benxi subsidiary is produced by inoculating chicken embryos with the WHO-recommended H1N1 and H3N2 influenza virus strains, followed by cultivation, harvesting of the virus fluid, purification, virus lysis, and inactivation. The active ingredient is four times the dose of the standard influenza vaccine.