Infectious, or communicable, diseases are a major global health concern. Managing and preventing the spread of diseases takes a concerted public health effort t

Discusses such infectious diseases as rabies, smallpox, AIDS, influenza, and malaria and describes how they are transmitted and treated.

Causes of disease - A person's natural defences - Treatment - Discovering new drugs - Preventing the spread of disease - Future progress.

The 20th century has seen improvements in both public health and disease prevention which, in turn, have had a dramatic impact on our lives. Success in preventi