Harvard Women's Health Watch
Can the flu shot hurt my immune response?
Ask the doctors Q. Iíve read that getting the flu shot annually will weaken my immune system over time. Is this true? A. A study published in the March 1, 2017, issue of The Journal of Infectious Diseases investigated whether getting an annual vaccination against influenza (flu) can weaken your bodyís natural ability to protect itself from the disease. Past studies have raised similar concerns. Researchers at the University of