Vaccine Preventable Diseases (VPD’s) are very much in the news lately with annual influenza epidemics and the new and increasingly prevalent nationwide measles and hepatitis A epidemics in the U.S. Because IBD patients—those with Ulcerative Colitis or Crohn’s disease—are often malnourished or undernourished, anemic, or immune-suppressed from the severity of their illness (or one of […]