The Book Contains 30 Chapters, Divided Into Eight Sections. It Provides A Historical And Clinical Background And Describes The Developments In All Aspects Of Influenza. These Range From Basic Research On The Structure And Function Of Viral Genes And Protein Products, Through Evolution And Ecology Of Influenza Viruses, Interspecies Transmission, Surveillance And Molecular Epidemiology, Cellular And Humoral Immunity, Laboratory Diagnosis And Vaccines, To Therapeutics, Health Economics And Control Programmes. The Design Has Been Completely Overhauled, With A Significant Increase In The Number Of Explanatory Illustrations To Guide The Reader Through The More Complex Material. Each Section Has A Consistent Approach So Every Chapter Adheres To A Strict Format To Help Avoid Repetition And Allow Rapid Information Retrieval. In Addition, The References Have Been Completely Reorganised And Identified Numerically Throughout The Text. The Second Edition Has Been Thoroughly Revised And Updated Throughout. In Addition, It Focuses On Improvements And The Material Has Been Reorganised To Take Into Account Major New Drug Developments. One Of The Main Criticisms Of The First Edition Was The Amount Of Duplicated Material Throughout The Book And The Different Writing Styles. This Has Been Addressed By More Rigorous Editing, Together With A Reselection Of The Contributors