Principles of Epidemiology and Control explain the values, concepts and techniques of applied epidemiology that are used by epidemiologists and public health specialists. The course comprises the Nature of epidemiological investigations. Also, the Spectrum of infections; herd’s immunity and latency of infections; multifactorial systems in epidemics; Zoonoses, Antigenic drifts; Biological products for recommended immunization schedules; international control of infectious diseases; statistical application to epidemiology.