The influenza (flu) alert, which disappeared after the spread of COVID-19, was issued. September 12 years after 2010, influenza alert has come. The pharmaceutical industry is Corona 19 that virtually died out after the spread of flu drug market to expect a revival of the atmosphere. According to the industry on the 19th, the Korea Centers for Disease Control and Prevention issued a flu epidemic warning nationwide on the 16th. The Korea Centers for Disease Control and Prevention issued a flu pandemic warning nationwide between September 4 and September 10 this year, with 5.1 suspected flu patients per 1,000 outpatients exceeding the epidemic standard (4.9). The number of suspected cases per 1,000 for the past 23 weeks,