Produced by UNMC, the “Ask UNMC” segments run initially on KETV Channel 7 newscasts. James Lawler, MD, MPH, UNMC College of Medicine, answers: How do we know that vaccines are safe and if they will be effective? Click the Play button below. wae OCxQ AIjjkABPHUU mj Itq lhPy Share twitter facebook bluesky email print