We’ve had a couple scares in recent years with bird flu and other new, incredibly communicable diseases. Thankfully, none of them have been overwhelmingly fatal, but that could change soon. Bacteria and viruses, by their nature, mutate to survive, and it’s only a matter of time before one hits on the perfect combination of communicability and fatality. In the past, the influenza epidemic of 1918 claimed more lives than World War I, and incurable diseases like AIDS have changed human civilization. With our increasingly connected world, it’s easy for a pandemic to spread throughout the continents, and no place on Earth would be safe.