Vanished: critical data for health measurement and prediction

Dr. Katelyln Jetelina asks "What the hell is going on?" with data thousands of scientists use to measure, predict and report disease outbreaks, like the current worst TB outbreak in the US in years.

You’ve seen the chaos elsewhere; Treasury—with payments like Social Security—is a huge concern. Starting a week ago, scientists began to hear cryptic and foreboding warnings from colleagues: Go to the CDC website, and download your data now.

In the midst of the worst TB outbreak in years, and a new outbreak of measles cases in unvaccinated children and a…