Providence, R.I. — March 22, 2011 — Polio. Whooping cough. Measles. Rubella. Diphtheria. These dreaded infectious diseases may sound like sickness of many years past. But little more than a century ago, they were responsible for high rates of infant and childhood mortality—rates that have been radically reduced in our modern society, thanks to the development and widespread use of vaccines. (Click here to read the full article by the Rhode Island Science & Technology Advisory Council)