SECTION I: INTRODUCTION 1. Disease and epizootiology - basic principles 2. Special problems in working with free-living animals SECTION II: DISEASE INVESTIGATION 3. Identifying and defining a disease 4. Collecting population data 5 Defining environmental variables 6. Formulating and testing hypotheses 7. Samples, sampling and sample collection 8. Investigation of disease outbreaks and chronic or inapparent disease 9. Records and record keeping SECTION...