ABSTRACT

CONTENTS 21.1 Introduction ....................................................................................................................568

21.1.1 Virion and Virus Structure ............................................................................569 21.1.2 Viral Taxonomy (Classification) ....................................................................571 21.1.3 How Virus Cause Disease ..............................................................................571 21.1.4 Detection Methods ..........................................................................................572 21.1.5 Stains for Diagnosis of Viral Infections ........................................................573 21.1.6 Direct Detection in Smears ............................................................................573 21.1.7 Detection in Tissue Sections ..........................................................................575 21.1.8 Foodborne Illness ............................................................................................575

21.2 Biosensors for Detection of Virus and Bacteria ........................................................576 21.2.1 Genosensors ......................................................................................................576