The Global Seasonal Influenza Market Size is expected to Grow from USD 7.2 Billion in 2021 to USD 28.3 Billion by 2030, at a CAGR of 19.63% during the forecast period 2021 to 2030.Seasonal influenza is caused by the influenza virus. It is an acute respiratory viral infection disease that circulates all over the world. Typical symptoms include the seasonal influenza are fever, aches, cough, sore throat, headache, chills, muscle and joint pain, and Intestinal symptoms such as vomiting and diarrhoea. Flu viruses are most common during the rainy and winter season.