This title presents the history of epidemiology. Vivid text details how early studies of the spread of disease led to vaccines and medications that can halt pandemics. It also puts a spotlight on the brilliant scientists who made these advances possible. A case study on the current Ebola outbreak is also included. Useful sidebars, rich images, and a glossary help readers understand the science and its importance. Maps and diagrams provide context for critical discoveries in the field. Aligned to Common Core Standards and correlated to state standards.