Tracking a Killer: Disease Behavior and Epidemiology's Detective Tools
Betsy Foxman
You don't have to know an organism to track its effects. This fundamental insight into the relationship between humans and pathogens helps public health professionals act even when they have only imperfect information. Just as importantly, says Betsy Foxman, is the will to act—for the benefit of everyone in the community—when good science tells us the time is now.