For many vaccines, booster shots are important to maintaining prevention against diseases. This is true for diseases such as hepatitis A and B, yellow fever, and HPV.
But, what about influenza?
During the flu season, people are wary of the dangerous virus. It’s an exciting thought that a second-dose of the flu shot may increase our immunity to the flu as other booster shots do for other diseases. With even more protection, some might think risks of the flu could disappear.