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Prime Time: The Game of Television is a role-playing simulation of America's television business. This book is the players' manual to that simulation. It provides the rules, facts, and procedures through which students assume the roles of producer, network executive, and advertiser. Over the course of a semester, students live the history of television, beginning in a three network over-the-air broadcast environment and ending in a digital world where viewers can watch programming from multiple sources, with diverse forms of financial support, using a variety of different devices....

Immunizationisoneofthegreatadvancesinpublichealth. Figure0. 1showsacamel with a solar-powered refrigerator on his back carrying vaccines across a hot desert to the far reaches of civilization. Many vaccines contain live viruses that need to be kept cold, or the vaccine viruses will die, and the vaccines will lose their ability to produce an immune response. Thus a continuous chain of refrigeration, the cold chain, from the origin to delivery of some vaccines needs to be maintained. The inspiration of the camel image is that it represents the dedication of the world to bring vaccines to...