Flu Question of the Week: If the flu shot targets the same strains as last year, do I need another one?
by Traci Bratton
Dr. Catherine Hough-Telford, a fellow in the University of Alabama at Birmingham Division of Pediatric f Infectious Diseases, put it this way: Just because you got a vaccine last year "doesn't mean your immune system will necessarily remember last year," Hough-Telford said.