DDP Newsletter March 2012, Volume XXX, No. 2. Like clean water and clean air, a low incidence of infectious disease is a very good thing. But removing smaller and smaller traces of pollution, or the last cases of measles, becomes increasingly difficult and costly. Zealotry is a problem in and of itself. And at some point, efforts become counterproductive. “Clean” technology such as wind turbines may lead to more net pollution. What if more vaccines produce more net sickness? Doctors may be hesitant even to ask this question. And families can be punished for failure to vaccinate. In Australia, for … Continue reading Vaccination and the Herd