MedPage Today -- Seasonal influenza vaccination appears to influence rates of acute MI, a case-control study showed. Among individuals 40 and older, those who had received a flu shot within the preceding year were 19% less likely to have had an MI (OR 0.81, 95% CI 0.77 to 0.85), A. Niroshan Siriwardena, PhD, of the University of Lincoln in England, and colleagues reported online in CMAJ.
