This book focuses on the "Bird Flu: the new emerging infectious disease", a new health problem, and the aspects relating to the use of tropical medicine. It specifically covers the clinical aspects, scientific laboratory, public health, as well as the social sciences relating to this new important infectious disease. Mainly, the book presents summative data from the molecular to the population scales, as well as additional metanalysis for important topics. In addition, the diagnostic guideline and clinical practice guidelines of the mentioned conditions are detailed. There is still limited knowledge on this topic while the wider distribution of the disorder due to the globalisation can be expected.