For most people, trying to find "patient zero" is doomed to be hard and fruitless - like the employees of a medium-sized company trying to figure out who brough

For most people, trying to find "patient zero" is doomed to be hard and fruitless - like the employees of a medium-sized company trying to figure out who brought a computer virus to work - too many possible vectors and not enough time and exposure information for amateurs to find, follow, and cross-check clues and stay ahead of prejudicial guesswork. For the Ohio outbreak, the professional epidemiologists could track it: > Fletcher describes it as a "perfect storm:" an unimmunized traveler going to a place with an outbreak and bringing an infectious disease back to an unprotected community. Going forward, here's an article that points to some ways that states could change their laws, rules, and procedures to get to higher immunization rates: http://www.washingtonpost.com/news/morning-mix/wp/2015/01/29/why-this-mom-is-so-angry-at-the-anti-vaxxers/ http://www.washingtonpost.com/news/morning-mix/wp/2015/01/29...