Environmental Threats

Predator: Dr. Karen T., infectious disease expert Discussion: It’s the perfect doomsday scenario. An infectious disease that spreads rapidly. No known cure. Killing or maiming those infected. Sound like a horror movie? It’s one coming to a street near you. From Ebola to Zika to past killers like the flu, infectious diseases are the world’s Public Enemy No. 1, killing way more than any terrorist fanatic.