Principle of Infectious Diease Epidemiology

5.1 Definition and aims of epidemiology 5.1.2 The definiton of epidemiology The word "epidemiology" is derived from Greek words meangin study upon populations A broader definition of epidemiology from A dictionary of Epidemiology has been widely accepted. According to this definition, epidemiology is the study of the distribution and determinatns of healthe-related states or event in specified populations, and application of this study to control of health problems. 5.2 epidemiology and public health 5.2.1 Example Epidemiology and the HIV/AIDS epidemic 5.2.1.1 Elucidiating the Aetiology 5.2.1.2 Describing the spectrum of Disease for HIV/AIDS 5.2.1.3 Describing the Natural History of HIV Infection 5.2.1.4 Risk Factor and Protective factors for HIV infection 5.2.1.5 Predicting Diseas Trends 5.2.1.6 To Estimate Disease Burdens and Health-Care Needs of a Population 5.2.1.7 To test the effectiveness of Interventions

5.3 Characteristic of infectious disease Epidemiology 5.3.1 Exposure 5.3.2 Infection 5.3.3 Stage of Infection and Disease 5.3.4 Virulence,Pathogenicity and Immunogenicity 5.3.5 Route of Transmission 5.4 Challenges of infectious Disease Epidemiology References Source Related Papers The Words