Contents: Infections involving Immunodeficiency.- Infections by Herpesviruses.- Other Viral Diseases.- Bacterial Infections.- Effects of Toxins.- Congenital Malformations.- Other Pathological Entities. Contents: Integument.- Digestive System.- Respiratory System.- Cardiovascular System.- Musculoskeletal System.- Urinary System.- Genital System.- Nervous System.- Endocrine System.- Hemopoietic System.