With domestic and foreign pharmaceutical companies starting to distribute flu (influenza) vaccines, the expiration date of the Sanofi vaccine is about three months shorter than that of other products. This means that the Sanofi vaccine must be discarded in April, when Korea is still considered to be a flu epidemic period, so it cannot be used. Sanofi explained that it is the best way to speed up the introduction of Korean products.

According to the pharmaceutical industry on the 17th, domestic and foreign pharmaceutical companies such as Sanofi, GC Pharma, Boryung Biopharma, Ilyang Pharmaceutical, and Korea Vaccine have started supplying vaccines in preparation for the 2022-2023 seasonal flu epidemic. A