CONTENTS: Preface, About the Authors, 1. Dr RINKU BISWAS: A Communicable diseases General Introduction Definition: Characteristics of Communicable Disease:-Causes olf Communicable Disease: Types of Communicable Disease: Treatment and Prevention communicable diseases:-Key facts of Communicable diseases:-How communicable diseases are spread? Nature of Communicable Disease:-, B. Epidemiology, its Terms and Definitions:-, C. Chain of Transmission of Communicable Disease, D. Time Course of Infectious Diseases, E. Immunizing Agents, F. Levels of Prevention, G. Communicable Disease Control Methods, Dr Ruchi Biswas: H. Oral-Fecal Diseases, Typhoid fever, Cholera, Poliomyelitis, Hepatitis A, Bacillary Dysentery (Shigellosis), Amoleiasis (Amoebic Dysentery), Dr Kundan Prakash: I. Air-Borne Diseases: Measles (Rubella), Influenza, Diphtheria, Whooping Cough (Pertusis), Meningococcal Meningitis, Tubearculosis.