Given exponential growth dynamics of infectious diseases, containing an epidemic is straightforward early on, but nearly impossible once a disease spreads among a population. — Zeynep Tufekci Copy Share Image
You'd see little shallow graves, lined up, one after the other - babies. That's what happens when measles goes through a nutritionally deficient community. It's a horrible disease, and it spreads incredibly efficiently. — Seth Berkley Copy Share Image
