TY - BOOK AU - Ward,Brian R. TI - Epidemic SN - 0789462966 : AV - RA643 .W27 2000 U1 - 614.4/9 21 PY - 2000/// CY - New York, NY PB - Dorling Kindersley in association with the American Museum of Natural History KW - Epidemics KW - History KW - Sears N1 - Includes index N2 - Discusses what an epidemic is, how it evolves, various causes and carriers, and efforts to prevent epidemics ER -