Immunorecognition of biological agents: An introduction to immunology

The main mechanims and concepts regulating the functioning of the human immune system are illustrated, with the general aims of improving disease prevention and ecosystem dynamics knowledge. These concepts must be known for the best management of infectious diseases and in the paramount view of ecology and parasitism, which are at the basis of stage-sharing of the environment by different species of life, each defending its own uniqueness and biological existence. Man is only one of the many living species sharing the stage of the planet. These considerations are fundamental in the fields of infectious diseases and of bioterrorism which have to be efficiently contrasted.