A neighbor of mine, lovely guy and terrific musician, is a staunch anti-vaxxer. He is very vocal about his view that vaccines are highly dangerous and exist only to make money for Big Pharma. (He also believes that the world is run by a small cabal called the Build-a-Bear Bilderberg Group, and that diet soda is an experiment to test poisons, which is why Obama never drank it. And that Michelle Obama is a man. Seriously.)