1. Introduction; 2. Contamination defined and classified; 3. Contact contamination; 4. Mental contamination; 5. Contamination after actual or perceived violation; 6. Phenomena of contamination; 7. Illusions of vulnerability; 8. Disgust and the DSM; 9. Assessing contamination; 10. Towards a cognitive theory of contamination; 11. Treatment

Stanley RachmanDepartment of Psychology, University of British Columbia, Vancouver, Canada