Introduction to TCM Basics of TCM Classification of Antineoplastic Herbal Medicines Zang-Fu Theories Diagnose Prescriptions Theories of Channels (Meridians) and Collaterals Reference: The Modern View of the Immune System Differentiation of Syndromes Etiology Materia Medica Useful References About TCMBasics.com More about Wyith.com Report errors, typos or dead hyperlinks Contact Us Back to Main Page Member Logon Pestilential Factors In addition to the six pathogenic factors, there is another category known as pestilential factors which is the source of epidemic disease. Its nature is similar to pathogenic heat and summer heat, but more pernicious and more fierce in pathogenicity; it is usually accompanied by pathogenic damp. Pestilential diseases are epidemical and dangerous, with rapid drastic changes as seen in small pox, plague, cholera, and most acute contagious diseases. E-business sites by Wyith Limited TCMBasics.com | SyndicatedNews.com | DomainAvenue.com Copyright 1995-2008 Wyith Ltd dba TCMBasics.com is the TCM and healthcare project of Wyith Limited. Database maintained and designed by Wyith Institute of Technology. All rights reserved. Tell us what you think