Epidemiologists study past epidemics and pandemics to try to figure out what factors contributed to the spread of disease on a global scale, in the hopes that they can predict and control future outbreaks.
Content Note
Bugs in the news -- Bugs on a plane -- Climate change, insects, and animals -- Disruption of animal habitats -- Crowding in peace and war -- Superbugs on the march -- Pandemic influenza -- Preventing a pandemic.