This is conceived as a half-day module. It can be extended to a full day for more advanced learners who are seeking some additional introduction to further methods in นิเวศวิทยาโรค. Learners should have completed Module 2: Introduction to นิเวศสุขภาพ and Module 4: Using Systems Concepts in นิเวศสุขภาพ, and/or be familiar with a causal network, upstream determinants of health, and socio-ecological systems. This module may be used effectively in conjunction with computerized epidemic simulation software such as Win Episcope or other Reed-Frost simulators available on the internet; see