You are a budding epidemiologist who has been called to a popular national park in the
American Southwest to investigate a disease outbreak. Six out of eight people camping
in the same area have fallen ill with a serious ailment of unknown origin. Local and state
public health officials want you to trace the outbreak to its source so their agencies
can implement control measures. In this interactive, use the basic methods of field
epidemiology to solve this medical mystery. To launch the interactive, click on the image at left.—Lexi Krock
