What if everything you've heard about vaccines is wrong? Or maybe just wildly misunderstood? Dr. John, a Canadian internist who works at a major teaching hospital, joins us to cut through the noise and explain what's really happening with vaccine misinformation. From the fascinating origins of vaccines (did you know the word comes from "vacca" meaning cow?) to the most persistent myths circulating today, Dr. John provides clear, evidence-based explanations that make complex immunology access...