Contents: Introduction and History of Epidemiology 1. Introduction and History of Epidemiology 2. Concepts of Epidemiology 3. Definitions and Principles of Epidemiology 4. Monitoring Epidemics 5. Models in Epidemiology 6. Plant Disease Progress Curves 7. Cyclic Processes in Epidemiology 8. Disease in Time - Simple Interest Disease 9. How the Environment Affects Epidemiological Processes? 10. Dispersal of Pathogens 11. Spatial Analysis of Epidemics 12. Plant ...