““Ask the Aztecs and Incas whether or not they would have liked to have vaccines available to the. Oh, wait--you can't. They're dead. Vaccination is one of the best things that has happened to civilization. Empires toppled like sand castles in the wake of diseases we do not give a second thought to today. If taking a moment to elaborate on that point will make this book unpopular with a large group of anti-vaxxers, that's ok. This feels like a good hill to die on. It's surely a better one than the Incas got.””