(BQ) Continued part 1, part 2 of the document Introduction about modern epidemiology (Third edition) has contents: Surveillance, using secondary data, field methods in epidemiology, ecologic studies, social epidemiology, infectious disease epidemiology, genetic and molecular epidemiology, nutritional epidemiology, environmental epidemiology, and other contents. Invite you to refer. | Introduction about modern epidemiology (Third edition): Part 2